<Tr> <Td> Group: </Td> <Td> Group V ((−) ssRNA) </Td> </Tr> <Tr> <Td> Family: </Td> <Td> Orthomyxoviridae </Td> </Tr> <Tr> <Th_colspan="2"> Genera </Th> </Tr> <Tr> <Td_colspan="2"> <P> Influenzavirus A Influenzavirus B Influenzavirus C Isavirus Thogotovirus </P> </Td> </Tr>

Whats the difference between influinza a and b