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Flu, respiratory syncytial virus, and COVID-19 levels still elevated in some parts of the country.

WHO criticizes CDC-funded vaccine study in Africa as unethical

Liz Szabo

The World Health Organization criticized a Centers for Disease Control and Prevention-funded study of the hepatitis B vaccine in Guinea-Bissau, where nearly one in five people are chronically infected with the virus.

Portrait of a baby girl in pink dress sitting on her mother's lap, in the Bissaque neighborhood in the city of Bissau, Guinea Bissau.

News Briefs

Measles spreads to New York, Vermont

Liz Szabo

Quick takes: Centivax’s universal flu vaccine trial begins, Listeria outbreak ends, Somalia reports polio case

PAHO warns chikungunya cases circulating among rising local transmission reports

Lancaster County, Pennsylvania, tracks more avian flu in commercial flocks

CWD digest: Gladwin County joins 17 other Michigan counties with infections in wild deer

Study supports shorter treatment regimens for TB prevention

OSTERHOLM UPDATE: PODCAST

All News

FDA reverses course, refuses to review Moderna’s application for new mRNA flu vaccine

Laine Bergeson

Liz Szabo

New Episode! February 12, 2026 — The Bells Still Ring

New CIDRAP Partnerships

CIDRAP launches partnerships to support independent, evidence-based vaccine information

Jan 27, 2026

Public Health Alerts

New joint CIDRAP/NEJM Evidence section: a rapid response publication for priority public health issues

Report on hepatitis B vaccine birth dose

Universal Hepatitis B Vaccination at Birth: Safety, Effectiveness, and Public Health Impact

Revamped Coronavirus Vaccines Roadmap

Updated site now includes a Coronavirus Vaccine Technology Landscape, R&D Progress Tracker, & Scholar Hub

Vaccine Integrity Project

New CIDRAP initiative launched April 24, 2025

Tracking Influenza Vaccine R&D Progress

Dashboard details progress toward improved influenza vaccines

Infectious disease information from CIDRAP.

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Osterholm Update Podcast

Discussion & analysis on the latest infectious disease developments by Dr. Osterholm and Chris Dall.

CIDRAP in the News

CIDRAP staff are frequently featured on other news sites. Please see our opinion pieces, commentaries, and other features.

Database: Universal Influenza Vaccine Technology Landscape

Data on novel vaccine candidates in clinical or late preclinical development.

CIDRAP Merchandise

CIDRAP and Osterholm Update podcast merchandise is available for purchase. Order t-shirts, mugs, socks, buttons, stickers, and more!

The Influenza Vaccines R&D Roadmap Initative

The Influenza Vaccines Roadmap provides a much-needed framework for organizing the efforts of existing influenza researchers while identifying a wide range of opportunities that will encourage new investigators to join the work.

Antimicrobial Stewardship

Updated PASTEUR Act reintroduced in Congress to boost antibiotic development

CDC study highlights growing threat of invasive E coli

Avian Influenza (Bird Flu)

Wisconsin detects avian flu in cattle for first time

Avian flu behind mass skua die-off in Antarctica, scientists say

More news

Higher pre-COVID BMI tied to greater risk of post-infection heart, GI problems in youth

Laine Bergeson

Minnesota health officials warn of sexually transmitted fungal infection outbreak

Researchers pinpoint cause of rare but life-threatening blood clots after adenovirus-based COVID vaccination

COVID infection may impair male fertility, but vaccination shows no effect, review suggests

Laine Bergeson

Annenberg poll shows drop in perceived safety of vaccines

Federal report: Biosafety guidance from 9 of 10 selected G20 countries has similar key features as US program