MMWR@CDCMMWR
Jan 5
Federal, state, and local response to Lassa fever case in Iowa - the first such case in the U.S. in eight years - helps inform preparedness for future outbreaks. bit.ly/4jiR05f
The timeline from when a patient was hospitalized with worsening fever to Lassa fever diagnosis, with text that reads, “A man in Iowa died of Lassa fever. Rapid public health response prevented its spread.”
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MMWR@CDCMMWR
Jan 2
Flu can cause severe disease. The 2024-25 flu season had the highest recorded flu hospitalization rate. Last season, 17% of people hospitalized with flu were admitted to the intensive care unit & 3% died in the hospital, similar to past seasons' estimates: bit.ly/4m6E6Ig
The image shows a bar graph with text that reads, "The cumulative 2024-25 flu season hospitalization rate was the highest in more than a decade. Flu vaccination can reduce the risk of flu-related hospitalization."
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MMWR@CDCMMWR
31 Dec 2025
With no vaccine or medicine available to prevent/treat #GuineaWorm, ending this disease depends on innovative strategies & actions. Learn more about CDC, @CarterCenter, & other 🔑 partner efforts in curbing infections & moving closer to 0 cases worldwide: bit.ly/4qoSQ82
The image shows two children reading a book together about Guinea worm disease.
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MMWR@CDCMMWR
30 Dec 2025
Clinicians can save lives from rare welder’s anthrax by quickly recognizing symptoms, risk factors & treatment options. Employers can learn which worksite actions lower disease risk for metalworkers & welders: bit.ly/4qz7IRy
The image shows a welder welding metal with text that reads, “Case of rare and life-threatening welder’s anthrax successfully treated with antitoxin. Clinicians should consider welders anthrax in the differential diagnosis of pneumonia among welders or metalworkers in the southern United States, consult CDC guidelines for the treatment of inhalational anthrax as a resource if welder’s anthrax is suspected, inform jurisdictional public health departments of suspected cases, and consult with CDC as soon as welders anthrax is suspected to facilitate the release of anthrax-associated medical countermeasures from the U.S. Strategic National Stockpile.”
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MMWR@CDCMMWR
29 Dec 2025
#ICYMI The health of U.S. caregivers continued to be worse than adults without caregiving responsibilities in 13 critical areas of chronic disease, mental health, and health behaviors. Uncover more insights from CDC's 2024 report: bit.ly/mm7334a2
The image shows a caregiver helping an older person. Text reads, "Health Snapshot of U.S. Caregivers: 1 in 4 has depression, 1 in 5 experiences frequent mental distress, 2 in 3 have a chronic physical health condition."
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MMWR@CDCMMWR
23 Dec 2025
📊 New study: Only about 1 in 4 U.S. women of reproductive age (18-44) meet the recommended Physical Activity Guidelines. Staying active is important for both physical and mental health. More:
bit.ly/4pCZEin
#Fitness #Health #ActivePeople
The image shows a woman walking. Text reads, “Do your patients get enough physical activity? Only about 1 in 4 U.S. women of reproductive age (18-44) meet the Physical Activity Guidelines for Americans. Clinicians: encourage your patients to get 150 minutes/week of moderate-intensity aerobic physical activity and 2 sessions/week of muscle strengthening activity.”
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MMWR@CDCMMWR
22 Dec 2025
Coal workers’ pneumoconiosis is an occupational lung disease that causes worsening lung function. It caused or contributed to almost 2,000 deaths in 2020-23. Deaths were highest among workers in industries like mining, construction, & manufacturing: bit.ly/4qgyb6c
The image shows the chest X-ray from a coal worker with pneumoconiosis. Title text reads, "Deaths associated with coal workers' pneumoconiosis continue to occur."
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MMWR@CDCMMWR
19 Dec 2025
Only about 1 in 4 U.S. women ages 18 to 44 meet the Physical Activity Guidelines for Americans. Let’s #getmoving for our health – physical and mental!💪✨💪Tag a friend to join you! 👯 cdc.gov/MovingMatters
The image shows various women exercising. Text reads, "Only about 1 in 4 U.S. women aged 18 to 44 meet the Physical Activity Guidelines for Americans. Every week, aim for: 150 minutes of moderate-intensity aerobic physical activity and 2 sessions of muscle-strengthening activity.
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MMWR@CDCMMWR
18 Dec 2025
Coal workers’ pneumoconiosis (CWP) caused or contributed to almost 2,000 deaths in 2020-2023. Workers in certain industries and occupations may be at higher risk. Consider work history in those with possible CWP. Learn more: bit.ly/4qgyb6c
The image shows the chest X-ray from a coal worker with pneumoconiosis.
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MMWR@CDCMMWR
17 Dec 2025
A rabies outbreak in livestock linked to a skunk led to costly human medical care & a significant delay in sales. Farmers and veterinarians in areas with high levels of wild rabies may consider preventive vaccination for high-value animals. Learn more:
bit.ly/4oNjV3r
The graphic shows a timeline of a rabies outbreak among steers on a Minnesota farm. Text reads, “Public health investigation finds rabid skunk bite as likely cause of rabies outbreak in steers.”
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MMWR@CDCMMWR
17 Dec 2025
CDC recommends the 2025-26 COVID-19 vaccine for people ages 6 months & older based on individual-based decision making. Parents of children ages 6 months to 17 years should discuss the benefit of COVID-19 vaccination with a healthcare provider. Learn more: bit.ly/4rQbeZ7
The graphic reads, “COVID-19 vaccines protect children from severe illness. 2024-25 COVID vaccines reduced the risk of COVID-associated emergency department and urgent care visits by 76% in children ages 6 months to 4 years and 56% in children ages 5-17 years. Parents: Talk to health care provider about the benefits of COVID-19 vaccines for your child.”
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MMWR@CDCMMWR
15 Dec 2025
A rabies outbreak in livestock linked to a skunk led to costly human medical care and a significant delay in sales. Farmers and veterinarians in areas with high levels of wild rabies may consider preventive vaccination for high-value animals. Learn more: bit.ly/4oNjV3r
The graphic shows a timeline of a rabies outbreak among steers on a Minnesota farm. Text reads, “Public health investigation finds rabid skunk bite as likely cause of rabies outbreak in steers.”
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MMWR@CDCMMWR
12 Dec 2025
42 patients in 3 countries had Paraburkholderia in clinical cultures, environmental bacteria that don't typically cause human infection. Cases were linked to a contaminated nonsterile ultrasound gel that was inappropriately used before invasive procedures.
bit.ly/48RliZk
The image shows ultrasound gel on someone’s arm. Text reads, “Paraburkholderia in clinical cultures* is linked to use of non-sterile ultrasound gel during percutaneous procedures including blood draws and IV placement. Providers: Use only sterile single-use ultrasound gel products in preparation for or during percutaneous procedures.”
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MMWR@CDCMMWR
11 Dec 2025
#HCPs: New CDC study shows that 2024–25 COVID-19 vaccines provided children with protection against COVID-19-associated emergency department and urgent care visits. Talk to parents about the benefits of an updated COVID-19 vaccine.
bit.ly/4rS0RUO
The graphic reads, “COVID-19 vaccines protect children from severe illness. 2024-25 COVID vaccines reduced the risk of COVID-associated emergency department and urgent care visits by 76% in children ages 6 months to 4 years and 56% in children ages 5-17 years. Health care providers: Talk to parents about the benefit of COVID-19 vaccines for their child.”
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MMWR@CDCMMWR
10 Dec 2025
Learn more about when to consult public health officials to assess rabies risks before or immediately after organ or tissue donation: bit.ly/3KiFYkB
The image shows four different animals: fox, bat, skunk, and raccoon.
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MMWR@CDCMMWR
9 Dec 2025
Report describes flu antiviral treatment of hospitalized children & adolescents with flu declined from the 2017–18 to 2023–24 season. #HCPs: Treat children & adolescents hospitalized with suspected or confirmed flu with flu antivirals ASAP. Earn Free CE: medscape.org/viewarticle/10…
The image shows a child in a hospital bed talking to a health care provider. Text reads, "Underutilization of Influenza Antiviral Treatment Among Children and Adolescents at Higher Risk for Influenza-Associated Complications — United States, 2023-2024. From MMWR and Medscape. Get your free CE."
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MMWR@CDCMMWR
8 Dec 2025
A transplant recipient died from rabies after getting a kidney from an infected donor. Clinicians and transplant teams: Learn more about the case and when to consult public health officials to assess rabies risks. Learn more: bit.ly/3KiFYkB
The image shows four different animals: fox, bat, skunk, and raccoon.
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MMWR@CDCMMWR
2 Dec 2025
Public health investigators: Walnuts can be contaminated with STEC and cause illness. Consider walnuts as a possible vehicle when assessing future outbreaks. bit.ly/3JSNzpW
The image shows three walnuts.
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MMWR@CDCMMWR
1 Dec 2025
DIY injection of botulinum toxin is dangerous. Learn about three people who became severely ill with suspected botulism after injecting themselves with botulinum toxin purchased online. Read the report: bit.ly/48qfNk6
The image shows a gloved healthcare provider touching the sides of a person’s face.
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MMWR@CDCMMWR
28 Nov 2025
Walnuts can be contaminated with harmful E. coli. Check for any recalls before eating or using walnuts in recipes and throw away affected products to keep your family safe.

Check for updates on recalls and outbreaks: cdc.gov/food-safety/fo…
The image shows three walnuts.
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MMWR@CDCMMWR
26 Nov 2025
DIY injection of botulinum toxin is dangerous. During May–June 2025, 3 people in different states became severely ill after injecting themselves with botulinum toxin products bought online. The patients needed hospitalization & treatment with antitoxin. bit.ly/48qfNk6
The image shows two icons with text that read, “Considering cosmetic injections? Self-injection of botulinum toxin products bought online has made some people severely ill. Limit your risk. Use only licensed and trained providers and FDA-approved products.”
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MMWR@CDCMMWR
26 Nov 2025
Through the Vaccines for Children Program, more hospitals can now offer free RSV protection to infants after birth. Learn more about RSV and protecting your child: cdc.gov/rsv/index.html
The image shows a sleeping newborn.
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MMWR@CDCMMWR
24 Nov 2025
The RSV antibody, nirsevimab, can lower a baby’s likelihood of ICU admission for RSV by 80%. Parents, RSV season is here. Talk to a health care provider about protecting your baby against severe RSV illness this flu season.

Learn more: cdc.gov/rsv/vaccines/p…
The image shows an infant asleep on a person’s lap. Text reads, “RSV IS the leading cause of infant hospitalization in the United States. CDC recommends all babies be protected by either Maternal RSV vaccine or Infant RSV antibody.”
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MMWR@CDCMMWR
21 Nov 2025
New MMWR shows expanding Vaccines for Children enrollment at birthing hospitals means more infants can get RSV protection at birth, free of cost. Learn more: bit.ly/47SAtCg
The image shows a sleeping newborn. Text reads, “Increasing infant RSV Immunization through the Vaccines for Children (VFC) Program.”
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MMWR@CDCMMWR
20 Nov 2025
Read the first major CDC study to analyze nirsevimab effectiveness against RSV-associated ICU admissions in infants. Researchers found the risk of ICU admission reduced by 80%.
bit.ly/4o3Wvqo
The image shows vials of liquid with text that reads, “Nirsevimab can prevent RSV-associated ICU admission and respiratory failure among infants. CDC recommends all babies be protected by either: maternal RSV vaccine given during weeks 32-36 of pregnancy from September through January or infant RSV antibody given to infants younger than 8 months during October through March.
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MMWR@CDCMMWR
30 Sep 2025
NEW: updated guidelines for tularemia (rabbit fever) treatment & prophylaxis. Recommendations include strategies for naturally acquired tularemia, bioterrorism, occupational exposures, & special populations. Stay informed to protect patients & communities. bit.ly/3WdLcjP
An image of a neck mass caused by tularemia with text that reads, “Francisella tularensis, the bacteria that causes tularemia, occurs naturally and is a potential bioweapon. Treatment guidelines have been updated.” A chart shows first line therapy options for adults, neonates, and pregnant women.
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MMWR@CDCMMWR
30 Sep 2025
HCPs: During the 2024-25 #flu season, 280 flu-related deaths in children were reported (as of September 13, 2025). Among those eligible and with data available, nearly 90% were not fully vaccinated against flu. Read the full report: bit.ly/428YhOU
A clinician holding a clipboard.
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MMWR@CDCMMWR
28 Sep 2025
Did you know Mycoplasma pneumoniae was a leading cause of pediatric community-acquired pneumonia hospitalizations in the last 6 months of 2024? Using the right antibiotic is key. Read the full report: bit.ly/3TC1n9k
A graph showing the percentage of hospitalized children with community-acquired pneumonia attributable to M. pneumoniae. Text reads, “Mycoplasma pneumoniae caused half of all child pneumonia hospitalizations in Summer-Fall 2024.”
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MMWR@CDCMMWR
28 Sep 2025
HCPs: A new CDC MMWR showed flu vaccines in the Southern Hemisphere reduced the risk of flu outpatient visits and hospitalization by 50%. Talk to your patients about flu vaccines: bit.ly/4pDUnYn
A person with their sleeve pushed up and a blue bandage on their arm.
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MMWR@CDCMMWR
27 Sep 2025
An MMWR from May reported 84 infant deaths in GA where nursing pillows were commonly found in sleep spaces. Caregivers must know: Nursing pillows are for feeding support only – never for infant sleep. Read more: bit.ly/4k6vRMi
A blue nursing pillow. Text reads, "To keep babies safe, use nursing pillows only for feeding, not for sleep."
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MMWR@CDCMMWR
27 Sep 2025
Last flu season, 109 children were found to have flu-associated encephalopathy, a rare, serious, complication of flu that can lead to lasting neurologic impairment and death. Parents, talk to your child’s doctor about flu vaccination. bit.ly/48hwnUT
A parent with their hand on their child’s forehead.
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MMWR@CDCMMWR
26 Sep 2025
ICYMI: An analysis of candidemia cases from 2017-2021 found that annual incidence was higher among black people than all other racial and ethnic groups. Read more: bit.ly/4kfttmG
A line graph representing candidemia incidence among non-Hispanic black people and all other racial and ethnic groups in 2017–2021.
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MMWR@CDCMMWR
25 Sep 2025
Last flu season saw the highest reported number of flu-related deaths during a regular (non-pandemic) flu season. Parents, talk to your child’s doctor about flu vaccination. Read the full report: bit.ly/428YhOU
Text reads, “2024-25 flu season had the highest reported number of flu-related pediatric deaths (280) during a non-pandemic flu season. 56% of children who died had an underlying medical condition; Almost 90% of children who died were not fully vaccinated. Everyone 6 months and older should receive an annual flu vaccine. Talk to your doctor about flu vaccination.”
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MMWR@CDCMMWR
24 Sep 2025
Talk with your health care provider to determine if you could benefit from a new twice-a-year injectable option for #HIV pre-exposure prophylaxis (PrEP). Learn more: bit.ly/4nvEocT
A patient talking to a clinician. Text reads, “Eligibility for use of injectable lenacapavir for HIV PrEP: Weight 77lbs or more and with increased chances of getting HIV; no signs or symptoms of acute HIV infection; negative blood-based HIV antigen/antibody test result within 7 days before first does; negative confirmatory HIV RNA test, if available; no known significant drug interactions on contraindications.”
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MMWR@CDCMMWR
24 Sep 2025
ICYMI: Human metapneumovirus is a common cause of cough and nasal congestion alongside RSV. Infections are usually mild, but are often linked to missed work, school or daycare, and can be severe. bit.ly/4ce7bOX
A graph of the seasonal pattern of percent of tests positive for RSV and hMPV.
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MMWR@CDCMMWR
24 Sep 2025
Botulism antitoxin is available through CDC and must be given rapidly to be effective. Multiagency response to an outbreak caused by improperly canned food, highlighted how CDC and partners delivered antitoxin via helicopter to save 8 lives! bit.ly/4ezFlOe
A CDC Port Health Protection Officer handing off a shipment of botulism antitoxin to a California Highway Patrol pilot.
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MMWR@CDCMMWR
23 Sep 2025
From @CDCInjury: Suicide rates from 2018 to 2023 decreased among some racial, ethnic, and age groups, while other groups saw concerning increases. Everyone can play a role in preventing suicide and saving lives. bit.ly/4mnSa0v
Three smiling men sitting outside.
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MMWR@CDCMMWR
22 Sep 2025
CDC strongly supports the use of twice-a-year injectable lenacapavir for #HIV pre-exposure prophylaxis (PrEP). Health care providers & people who could benefit from PrEP should discuss PrEP options, including lenacapavir. Learn more: bit.ly/4nvEocT
A clinician holding a clipboard and talking to a patient. Text reads, “CDC recommends lenacapavir injections every 6 months as an HIV PrEP option in persons weighing ≥77 lbs (≥35kgs) who would benefit from PrEP.”
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MMWR@CDCMMWR
22 Sep 2025
In 2024-25, RSV hospitalization rates in infants <3 mo. were 45-52% lower than 2018-2020. New/expecting parents should discuss RSV vaccines/antibodies w/their providers. Increased use of prevention products could protect even more babies in future seasons bit.ly/42Z59hd
A line graph showing how RSV hospitalizations among infants was significantly lower in the 2024-25 season when RSV prevention products became available.
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MMWR@CDCMMWR
19 Sep 2025
A new CDC study finds Mycoplasma pneumoniae caused nearly half of pediatric community-acquired pneumonia hospitalizations in the last 6 months of 2024. Read the full report: bit.ly/3TC1n9k
Two lung x-rays with text that reads, “Pediatric hospitalizations for M. pneumoniae pneumonia surged in Summer-Fall 2024. Consider testing children of all ages during periods of high transmission. Use macrolides as first-line antibiotic treatment.”
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MMWR@CDCMMWR
19 Sep 2025
ICYMI: Public health investigators undertook a massive, 27-state effort to track hundreds who may have had contact w/ a rabid cat near a Maryland hotel. Better understanding of how rabies spreads in feral cat colonies may help control risks posed to people bit.ly/4mAnwSj
A colony of cats outside.
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MMWR@CDCMMWR
19 Sep 2025
Suicide rates from 2018 to 2023 decreased among some age, race, and ethnic groups, while other groups saw concerning increases. Read @CDCInjury ’s new report to learn more about rate changes and what we know works to prevent suicide: bit.ly/4mnSa0v
A line graph representing suicide rates among different racial and ethnic groups including American Indian or Alaska Native, White, Black, and Hispanic/Latino people. Text reads, “Suicide rates increased among Black and Hispanic people and were highest among American Indian or Alaska Native (AI/AN) people between 2018 and 2023.”
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MMWR@CDCMMWR
18 Sep 2025
CDC recommends twice-a-year injectable lenacapavir as an additional option for #HIV prevention. FDA approved this medication in June 2025, helping to expand HIV PrEP options & accelerate progress to end HIV. Read the full recommendation: bit.ly/4nvEocT
A clinician filling out a form on a clipboard while a patient waits. Text reads, “Lenacapavir PrEP is an option for persons at risk for HIV acquisition, including but not limited to: Persons with diagnosed sexually transmitted infections; men who have sex with men; person whose sexual partners have HIV infection without viral suppression; persons who engage in transactional sex; persons who are incarcerated; persons who use recreational drugs and share needles who are sexually active.”
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MMWR@CDCMMWR
17 Sep 2025
9 out of 68 children who reportedly died from the start of 2024 flu season through Feb 8, 2025, had influenza-associated encephalopathy or encephalitis (IAE). Consider IAE in children w/acute respiratory illness & neurologic symptoms lasting over 24 hours: tinyurl.com/mm7406a3
An MRI of a child's brain with influenza A(H1N1) pdm09 acute necrotizing encephalopathy.
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MMWR@CDCMMWR
17 Sep 2025
📊 Data from an MMWR show that despite rising prescription rates of FDA-approved obesity medications for adolescents with obesity, fewer than 1% were prescribed one in 2023. Full report: bit.ly/3HqpIfu
A doctor with a clipboard and measuring tape talking to a young patient.
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MMWR@CDCMMWR
16 Sep 2025
ICYMI: Federal, state, and local response to Lassa fever case in Iowa - the first such case in the U.S. in eight years - helps inform preparedness for future outbreaks. bit.ly/4jiR05f
The timeline from when a patient was hospitalized with worsening fever to Lassa fever diagnosis, with text that reads, “A man in Iowa died of Lassa fever. Rapid public health response prevented its spread.”
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MMWR@CDCMMWR
15 Sep 2025
Increase in overdose deaths w/ ketamine detected despite remaining less than 1% of all #overdose deaths from July 2019–June 2023. Around 82% of these deaths involved other substances including illegally made fentanyls, methamphetamines, & cocaine. More: bit.ly/mm7344a4
A mortuary.
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MMWR@CDCMMWR
14 Sep 2025
CDC’s 2025-26 recommendations for the use of seasonal flu vaccines in the United States have been published. Learn more: bit.ly/45SZuuO
A person holding their sleeve up with a bandage on their arm.
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MMWR@CDCMMWR
11 Sep 2025
Gaps in infection control procedures for wound care and hand washing at a long-term care facility were linked to an outbreak of severe streptococcal infections. More: bit.ly/45XUF4D
A person using hand sanitizer from a dispenser.
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MMWR@CDCMMWR
11 Sep 2025
Flu can cause severe disease. The 2024-25 flu season had the highest recorded flu hospitalization rate. Last season, 17% of people hospitalized with flu were admitted to the intensive care unit & 3% died in the hospital, similar to past seasons' estimates: bit.ly/4m6E6Ig
A graph of the cumulative 2024-25 flu season hospitalization rate with text that reads, “The cumulative 2024-25 flu season hospitalization rate was the highest in more than a decade. Flu vaccination can reduce the risk of flu-related hospitalization.”
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