Updated: 2:49 p.m. Wednesday, April 06, 2016 | Posted: 11:27 a.m. Wednesday, April 06, 2016. State officials are threatening to reconsider a $280 million contract with its testing vendor after answers to 14,220 state standardized tests were erased because of a computer glitch last week.
Influenzavirus B is a genus in the virus family Orthomyxoviridae. The only species in this genus is called Influenza B virus. Influenza B viruses are only known to infect humans and seals, giving them influenza. This limited host and range is apparently responsible for the lack of Influenzavirus B-caused influenza pandemics in contrast with those caused by the morphologically similar Influenzavirus A as both mutate by both antigenic drift and reassortment. Currently there are two co-circulating
There are three types of flu viruses that cause seasonal influenza: A, B, and C. Influenza A Type A influenza is usually responsible for the majority of seasonal flu cases.