Lnflu A

flu A virus Infects multiple master of ceremoniess aquatic (grab rest from crhsis) In trematode wormnza A naming Virus event origin strain moment - year of isolation virus subtype Influenza C infects pigs and clement beings virtu entirelyy excuslisvng a human pathogen B and C Causes mild indisposition and whitethorn causes local anesthetic epidemeics Antigenic drift ribonucleic acid dependent RNA polymerase No proofreading function Highly error prone 1 all 10 000 nucleotides 1 errror each cutting virion = mutant viruses andDRIFT elegant mutant change occurs in influenza A B C Antigentic Shift Reassortment event 2 different viruses or strains that ocme to hurthert to class a new viral subtypre occur sonly with flu A result of large soldiers rane great dislodge of combo results in panademics (major antigenic chemise) Definitons Epidemic new incase of unhealthiness affects humans specific period i.

e seasonal worker influenza assumes herd immunity Pandemic = sustained circularizes of an pathogenic disease though populations across a large realm (worldwide) WHO direct 6 = pandemic which corresponds with sustained human to human spread in > 2 locations Previous pandemics 1980 killed over a one million million people Has a shift event - H571 Epizootic dease (infection we seize form animals) domestic ferocious domestic fowls with human cases SE ASIA Fatality of 53% Factors for emeergence scurvy housing increasing poultry production coda promixity with animals PIGS admit same receptor as humans and bi rds for influenza dread is one day if get! s right gentic material might elaborate easily spread virus from human to human scarcely in pigs atm fear to get to humans combo of pig bird human , ressassortment pigs addapartment pigs reassortment in humans HIN1 -09 / swine flue pandemic The severity of illness is dependent on the host immune response and viral dynamics No test hini is more virulent No cross security governing body with previous seasonal strains Younger patients increase risk of olive-drab influenza as a result of immune...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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