There are two main types of influenza (flu) virus: Types A and B. The influenza A and B viruses that routinely spread in people (human influenza viruses) are responsible for seasonal flu epidemics each year. Influenza A viruses can be broken down into sub-types depending on the genes that make up the surface proteins. #InfluenzaVirus #DNA #RNA #ssRNA #epidemic #pandemic #genetics #Microbiology #virology #VIRUS #VIRION #virusTypes #ssDNA #dsRNA #dsDNA #genome #Rhinovirus #viralInfection #commonCold #flu #immuneSystem #immunology #viruses #viralReproduction #lyticCycle #lysogenicCycle #structureOfAVirus #areVirusesAlive #areAllVirusesBad #nuclearPolyhedrosisVirus #virusCycles #viralCycles #howVirusesWork #tutorial #howVirusesReproduce #highSchoolBiology
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