influenza

I explained that while we’ve been trying to create a universal flu vaccine for years without success, similar efforts are ongoing for COVID-19.
The new booster, available since September, is effective against the currently dominant SARS-CoV-2 variant in the U.S., JN.1.
Since Covid hit, it's pretty much impossible to turn around and not be facing an alcohol-based hand sanitizer. We all use them without giving it much thought. But maybe it's time to give this topic some thought.
Flu and COVID-19 are examples of respiratory diseases that require repeated vaccine boosters to prevent illness.
Flu is the prototype of a respiratory disease that requires repeated – yearly - vaccination to prevent infection.
There are signs of a mid-summer surge in COVID-19 cases, particularly in the South and West, that have
We all know people who said, “I had COVID, but it wasn’t too bad after the first couple of days.  After that, I had a cough and was tired for maybe a week.  Pretty much like the flu.” 
Dr. Anthony Fauci, along with two of his colleagues at the National Institute of Allergy and Infectious Diseases, has written a long, science-filled piece on the hurdles of creating a vaccine against some viruses, particularly COVID-19.