Viruses are entities that have to infect other cells in order to replicate. They may have genomes that are made of DNA or RNA. We are still discovering new types of RNA viruses, as shown in two new ...

Feb 1 (Reuters) - The H5N1 avian influenza virus has flared up again in recent months, spreading through poultry flocks in Japan, Vietnam and Thailand, killing people in Indonesia and claiming its ...

Ever been confused by the names for bird flu or Spanish flu H1N1? Type A influenza has 130 known subtypes, but which ones cause the flu in people? Here’s what the ...

Onset, intensity, severity and duration of influenza seasons vary each year and are driven by factors such as temperature, rainfall, humidity, circulating virus types/subtypes, population immunity ...