The virus that causes bird flu disease is one form of family Orthomyxoviridae, that consists of sort A that attacks poultry, pigs B and C to attack that attack mammals and humans. however within the course of mutation, sort a scourge is additionally contagious to humans.
Type A viruses are divided into subtypes based mostly on 2 kinds of proteins on their surface. This protein referred to as haemagglutinin (HA) and Neuroaminidase (NA). Virus sort A contains a HA (Hemaglutinin) as several as sixteen pairs, specifically H1-H16 and nine NA (Neuraminidase), specifically N1-N9 who will amendment shapes. sort a scourge is most virulent H5N1 strain that proved to be transmitted from birds to humans, lions, tigers and cats.
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Type A viruses are divided into subtypes based mostly on 2 kinds of proteins on their surface. This protein referred to as haemagglutinin (HA) and Neuroaminidase (NA). Virus sort A contains a HA (Hemaglutinin) as several as sixteen pairs, specifically H1-H16 and nine NA (Neuraminidase), specifically N1-N9 who will amendment shapes. sort a scourge is most virulent H5N1 strain that proved to be transmitted from birds to humans, lions, tigers and cats.