Influenza, commonly known as flu, is a highly contagious disease caused by the influenza virus. Vaccination is the best protection against influenza, so for best protection against influenza, people are… Read More »Flu Vaccine
flu
Influenza, commonly known as the flu, is an infection of the nose, lungs, and throat caused by the influenza A or B (or rarely C) viruses. It is highly infectious.… Read More »Influenza (Flu)