Flu activity remains stable with Flu B dominant, while Covid-19 and RSV are low; a growing measles outbreak and food recalls are also highlighted.
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Dr. Caitlin Rivers is an epidemiologist and writer focused on outbreak response and pandemic preparedness.
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The FDA's refusal to review Moderna's mRNA flu vaccine application highlights troubling implications for drug development and regulatory communication.
Flu activity is declining overall, but a rebound in school-age children raises concerns, alongside updates on Covid-19, RSV, and significant food recalls.
Flu season is underway with rising cases, particularly in children, while other viruses and food safety issues are also highlighted.
FOI Clinical is a new service designed to keep clinicians informed about emerging infectious diseases, addressing the communication gap highlighted by recent CDC alerts.
Current influenza activity is low but increasing, particularly among children. Outpatient visits for influenza-like illness (ILI) are rising, with emergency department visits also increasing, especially in the Southern region. H3N...
Influenza remains elevated in the U.S., with rising Flu B cases, stable Covid-19 and RSV levels, and significant outbreaks of avian flu and measles due to low vaccination rates.
Flu season shows signs of improvement with declining hospitalizations and flu-like illness, while concerns about measles outbreaks and RSV vaccine approvals persist.
4.8Flu goes on and on
2026-02-15 • covid-19 swine flu public health food safety rsv
Flu activity is high, with significant cases of COVID-19 and RSV, alongside food recalls and ongoing health threats like norovirus and Salmonella outbreaks.
Current respiratory virus activity is high in the U.S., with notable influenza and RSV cases, while a measles outbreak in Mexico raises concerns ahead of the World Cup.
Flu and RSV cases are rising, food recalls are ongoing, and a potential government shutdown may disrupt disease surveillance efforts.
Flu and COVID-19 cases are declining in the U.S., while a significant food recall and vaccine skepticism in new CDC appointments raise public health concerns.
Flu cases are declining in the U.S., but COVID-19 and RSV are rising, alongside significant food recalls and effective prevention methods for infants.
The flu season in the U.S. is showing signs of a potential surge, with H3N2 subclade K becoming predominant. While flu activity remains low currently, it is rising rapidly, particularly among younger age groups. The flu vaccine ma...
The 500th edition highlights projects aimed at empowering patients and public health professionals to improve healthcare through shared insights and operational data collection.
The flu is on the rise but remains below historical levels for this time of year, with outpatient visits for influenza-like illness (ILI) at 2.5%. Test positivity has increased to 5%, with significant activity in Louisiana and Col...
Flu activity is increasing nationally, particularly among children, signaling a potentially challenging flu season ahead, alongside rising cases of other respiratory viruses.
Flu and RSV cases are declining in the U.S., while measles outbreaks rise and food recalls due to contamination are ongoing.
This updated flu report highlights a significant rise in influenza cases, particularly among children, while older adults face the highest hospitalization rates, with the flu vaccine providing moderate protection.
Flu activity is surging nationally, particularly among children, while COVID-19 remains low, and several food recalls due to contamination are reported.
Flu activity is surging across the U.S., especially among children, while norovirus and RSV cases are also increasing, highlighting the need for vaccination and hygiene.
Flu cases are rapidly increasing across the U.S., with several states reporting record emergency department visits and hospitalizations, overshadowing the holiday season.
The government shutdown has ended, allowing the CDC to restore respiratory disease data online. This week's data indicates a potentially severe influenza season. The author will resume regular publishing, offering a national editi...
4Weekend flu check-in
2025-11-29 • covid-19 influenza epidemiology public health rsv
The blog post provides an update on respiratory virus activity, particularly influenza, as of the week ending November 22. It notes a steady rise in influenza cases across the U.S., with varying levels of activity in different sta...