grippviirused
Grippviirused, commonly known as influenza viruses, are RNA viruses belonging to the Orthomyxoviridae family. These viruses are responsible for causing influenza, a contagious respiratory illness that can range from mild to severe. There are several types of influenza viruses, including types A, B, C, and D. Influenza A and B viruses are the primary causes of seasonal epidemics in humans. Influenza A viruses are further classified into subtypes based on two surface glycoproteins: hemagglutinin (HA) and neuraminidase (NA).
Influenza viruses are transmitted through respiratory droplets produced when an infected person coughs, sneezes, or talks.
Symptoms of influenza typically include fever, cough, sore throat, runny or stuffy nose, muscle or body aches,
Vaccination is the most effective way to prevent influenza. Influenza vaccines are designed to protect against