Flu Symptoms 2025 – Who fact sheet on influenza: Includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, who. Every year, mainly during the winter season, seasonal influenza infects as many as 1. Influenza (flu) is a contagious respiratory illness caused by influenza viruses.
Flu Symptoms 2025
Includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, who. The virus is transmitted easily.
Flu Symptoms 2025 Flu 2025 Symptoms Stella Kruse
- The virus is transmitted easily.
- Influenza, or the flu, is both a seasonal and a pandemic virus.
- The virus is transmitted easily.
- Influenza (flu) is a contagious respiratory illness caused by influenza viruses.
- Influenza, or the flu, is both a seasonal and a pandemic virus.
