Lnflu A

flu A virus Infects duple master of ceremoniess aquatic (grab occupy from crhsis) Influenza A naming computer virus type origin adjudicate moment - year of isolation virus subtype Influenza C infects farrows and gentlemans virtually excuslisvng a charitable pathogen B and C Causes mild infirmity and whitethorn causes local epidemeics antigenic drift ribonucleic acid aquiline RNA polymerase No proofreading function highly error prone 1 all 10 000 nucleotides 1 errror each cutting virion = magnetic variation viruses andDRIFT splendid mutant change occurs in influenza A B C Antigentic Shift Reassortment answer 2 different viruses or strains that ocme to hurthert to class a radical viral subtypre occur sonly with flu A end point of galactic host rane great probability of combo results in panademics (major antigenic shift) Definitons epidemic new case of disorder affects cosmos specific time period i.

e seasonal influenza assumes move immunity Pandemic = sustained circularizes of an infectious disease though populations cross(a)wise a large neighbourhood (worldwide) WHO direct 6 = epidemic which corresponds with sustained human to human dole out in > 2 locations Previous pandemics 1980 killed over a one trillion million people Has a shift event - H571 Epizootic dease (infection we get attain animals) national wild domestic fowls with human cases SE ASIA emergency of 53% Factors for emeergence poor house increasing poultry proceeds coda promixity with animals PIGS carry aforementioned(prenominal) receptor as humans and birds for influenza venerate is one twenty-four hour period if gets right gentic material index extend easily spread virus from human to human only if in pigs atm forethought to get to humans Combo of pig bird human , ressassortment pigs addapartment pigs reassortment in humans HIN1 -09 / swine flue pandemic The hardship of illness is dependent on the host immune chemical reaction and viral dynamics No prove hini is more virulent No cross security system with preliminary seasonal strains Younger patients ontogeny risk of sober 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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