Symptoms usually come on suddenly, according to the CDC, and can include fevers above 100.4 degrees F, dry cough, sore throat, runny nose, body aches, headaches, chills and occasionally nausea, ...

Influenza type B viruses are not classified by subtype ... How is the flu different from other common respiratory illnesses? The difference between the flu and other common respiratory illnesses ...

ABSOLUTELY. WE HAVE EXPERTS ARE PREDICTING THAT WE’RE PROBABLY GOING TO HAVE A QUADRATIC THIS WINTER WHERE WE MAY HAVE CASES OF COVID 19, INFLUENZA A AND B, THE RSV AND THE NOROVIRUS.

Influenza A and B are the strains that cause seasonal ... which is known to be more severe in older age groups. A key difference between the two is that the flu tends to be more severe.