Surveillance data identifies higher-than-expected recent HIV infections in Malawi
Why are new HIV infections rising in Malawi? A surveillance report sounds the alarm
A field surveillance report from Malawi found higher-than-expected recent HIV infections, prompting a public health response.
Surveillance data from Malawi shows new HIV infections are rising at a higher-than-expected rate, signaling that the virus is still spreadin…
Field report notes increase in parvovirus B19 antibody positivity in early 2025
CDC field report notes increase in parvovirus B19 antibody activity in early 2025
An observational field report from the United States noted an increase in sera specimens positive for parvovirus B19 antibodies from January…
A CDC field report notes an increase in parvovirus B19 antibody activity in early 2025 compared to the same time last year.
Respiratory virus activity monitored across the United States through mid-2025
U.S. health officials plan to track respiratory virus activity through mid-2025
An observational study is monitoring respiratory virus activity across the United States through June 30, 2025.
U.S. health officials plan to track respiratory virus activity across the country from July 2024 through June 2025.
Observational report notes regional increases in Valley fever incidence in Arizona
Valley fever cases increased in Arizona over nearly two decades, report finds
An observational report from Arizona describes regional increases in Valley fever incidence during 2005-2022.
Valley fever cases rose in some Arizona regions between 2005 and 2022, according to a new report tracking the fungal infection over nearly t…
Field report describes expanded laboratory testing for varicella in Minnesota
What happens when health departments test more people for chickenpox?
A descriptive field report from the Minnesota Department of Health outlines expanded laboratory testing for varicella.
Minnesota health officials are testing more people for chickenpox to better track how much of the virus is circulating in their community.
Antibiotic-resistant Neisseria gonorrhoeae strains show increasing prevalence in China
Are gonorrhea treatments losing ground in China? A concerning trend emerges
A report from China indicates increasing prevalence of antibiotic-resistant strains of Neisseria gonorrhoeae.
A new report from China shows that medicines used to cure gonorrhea are losing their effectiveness as bacteria become more resistant to anti…
CDC recommends doxycycline postexposure prophylaxis for high-risk populations to prevent syphilis, chlamydia, and gonorrhea
CDC now recommends a pill after sex to help prevent common STIs
The CDC has issued clinical guidelines recommending doxycycline postexposure prophylaxis (doxy PEP) for populations at high risk for syphili…
CDC now recommends a single antibiotic pill after sex to help prevent syphilis, chlamydia, and gonorrhea in high-risk groups.
Observational report describes physical activity guideline adherence among US adults aged 25+
How many older U.S. adults get enough exercise? The data is missing
An observational report describes the percentage of US adults aged 25+ who met 2018 federal physical activity guidelines for both muscle-str…
A new report on U.S. adults over 25 shows we don't know how many meet federal exercise guidelines because the key numbers are missing from t…
Interim Estimates Reported for 2025-26 Seasonal Influenza Vaccine Effectiveness in US Population
Interim estimates reported for 2025-26 seasonal flu vaccine effectiveness
An interim observational report describes vaccine effectiveness estimates for the 2025-26 seasonal influenza vaccine in the United States po…
Health officials released early estimates tracking how well the 2025-26 seasonal flu vaccine is working in the United States so far.
Clade Ib mpox cases diagnosed in Kenya from July 2024 to February 2025
What does the new mpox outbreak in Kenya mean for people there?
A descriptive outbreak report details the diagnosis of clade Ib mpox cases in Kenya between July 2024 and February 2025.
Kenya is tracking a new clade Ib mpox outbreak from July 2024 through February 2025, separate from the 2022 global strain.
Field notes identify barriers to cooling center access in Maricopa County
What stops people from using cooling centers during extreme heat?
A 'Notes from the Field' report from Maricopa County, Arizona, describes barriers to accessing cooling centers.
Cooling centers in Arizona exist, but a new report asks what stops people from reaching these safe spaces during extreme heat.
CDC updates recommendations for HIV nonoccupational postexposure prophylaxis
CDC updates recommendations for HIV prevention medication after possible exposure
The CDC has issued updated recommendations for antiretroviral postexposure prophylaxis following nonoccupational HIV exposure.
The CDC updated its guidance on taking HIV prevention medication after a possible exposure to help doctors give the most current advice.