Flu Symptoms 2024 Treatment Ppt. People are most contagious with the flu 24 hours before symptoms start, and while symptoms are most active. — swine flu, or h1n1, moved from pigs to people in 2009 and caused a pandemic.
Most people with flu, including h1n1 flu, need only symptom relief. — seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world.
