Latest Messages from the Health Alert Network
QuickStats: Percentage of U.S. Women Aged 21–65 Years Who Never Had a Papanicolaou Test (Pap Test), by Place of Birth and Length of Residence in the United…
Estimates are presented with 95% confidence intervals indicated by error bars. In 2013 and 2015 combined, 6.8% of U.S. women aged 21–65 years had never received a Pap test in their lifetime. Foreign-born women…View in Page
May 23, 2024
Allergens and Pollen | Climate and Health
Climate change may cause shifts in precipitation, fewer frost days, warmer air temperatures, and increased atmospheric carbon dioxide (CO2). These changes can affect: the pollen season’s start, end, and how long it lasts…View in Page
Jan 14, 2025
COVID-19 Vaccination Rates Among Older Adults Are Up from Last Season
It’s not too late for older adults to get the 2024-2025 COVID–19 vaccine. Summary. What CDC knows. Older adults…View in Page
Jan 6, 2026
About Bacterial Vaginosis (BV) | Bacterial Vaginosis (BV)
What is bacterial vaginosis (BV)? Bacterial vaginosis (BV) is a condition that happens when there is too much of certain bacteria in the vagina, causing an imbalance. Signs and symptoms. How common is BV? BV is the most common…View in Page
Feb 23, 2026
QuickStats: Percentage of Adults Who Had a Severe Headache or Migraine in the Past 3 Months, by Sex and Age Group — National Health Interview Survey, United…
In 2018, women were nearly twice as likely as men to have had a severe headache or migraine in the past 3 months (20.1% versus 10.6%), both overall and within each age group.View in Page
Nov 13, 2025
Ongoing Risk of Dengue Virus Infections and Updated Testing Recommendations in the United States
Mar 18, 2025
Expanding Measles Outbreak in the United States and Guidance for the Upcoming Travel Season
Mar 7, 2025
Ebola Outbreak Caused by Sudan virus in Uganda
Feb 6, 2025
Accelerated Subtyping of Influenza A in Hospitalized Patients
Jan 16, 2025