With new testing requirements, it’s not even clear how new Covid or flu shots can be made available this fall.

This year's flu vaccine reduced the risk of hospitalization in the Southern Hemisphere but wasn't as effective as the one used in the prior season, a new CDC study found. There were 200 pediatric ...

A new combination vaccine could simplify protection against two major respiratory illnesses for older adults, according to a ...

Estimated influenza vaccine effectiveness (VE) in California during the 2023-24 respiratory virus season was 41% against ...

The risk of mortality among older adults hospitalized with influenza was significantly lower among those who received oseltamivir vs no antiviral therapy.

A new vaccine developed by Moderna aims to protect against both flu and COVID-19 with just one shot. Early studies suggest ...

ANSWER: The problem isn’t that your immune system isn’t working; it’s working a little too well for your comfort but very ...

A 2024-25 flu season that has been classified as high severity has now reached low transmission levels, but 10 new ...

A combination shot for flu and Covid-19 using messenger RNA generated antibodies in a study, but US government regulators want to see data on whether the new vaccine protects people from getting sick.