influenssaviruksilta
Influenssaviruksilta are viruses that cause influenza, commonly known as the flu. They belong to the family Orthomyxoviridae. There are four main types of influenza viruses: A, B, C, and D. Influenza A and B viruses are responsible for seasonal epidemics in humans. Influenza C viruses cause mild respiratory illness and do not cause epidemics. Influenza D viruses primarily affect cattle.
Influenza viruses are RNA viruses with a segmented genome. Their surface proteins, hemagglutinin (HA) and neuraminidase
Symptoms of influenza typically include fever, cough, sore throat, body aches, headaches, and fatigue. While most