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Qaagi - Book of Why

Causes

Effects

Influenza A virus subtype H3N2 ( also H3N2 ... a subtype of virusescauseinfluenza ( flu

infection with influenza A and B viruses(passive) is caused byInfluenza ( flu

two types of viruses in humans ( Influenza A and B(passive) is caused byInfluenza ( flu

many strains of virusescauseInfluenza ( flu

one of several different influenza viruses , known as type A , type B and type C.(passive) is caused byInfluenza ( flu

a virus that spreads easily from person to person(passive) is caused byInfluenza ( flu

a virus spread from person to person when they cough or sneeze or through personal contact with unwashed hands(passive) is caused byInfluenza ( flu

a virus(passive) is caused byInfluenza ( flu

the viruscausesinfluenza ( flu

the influenza A or B virus(passive) is caused byInfluenza , " flu

the influenza virus(passive) is caused byInfluenza ( flu

influenza viruses(passive) is caused byInfluenza ( flu

by new virus strains(passive) caused byinfluenza pandemics

new virus strains(passive) caused byinfluenza pandemics

one specific virus(passive) is caused byInfluenza ( flu

new influenza A viruses , against which humans have little to no immunity(passive) are caused byInfluenza pandemics

by novel influenza strains(passive) caused byinfluenza pandemics

a virus that can lead to a hospital visit or even death(passive) is caused byInfluenza ( flu

new influenza viruses that have adapted to humans(passive) are caused byInfluenza pandemics

by new influenza viruses that have adapted to humans(passive) are caused byInfluenza pandemics

by novel virus subtypes(passive) caused byinfluenza pandemics

type A viruses(passive) are caused byInfluenza pandemics

Only influenza A is knownto have causedinfluenza pandemics

a strain of the virus to which the population has little or no preexisting immunity(passive) are caused byInfluenza pandemics

by new strains(passive) caused byinfluenza pandemics

new influenza virus(passive) are caused byInfluenza pandemics

the viruses ... , and 2009causedinfluenza pandemics

novel influenza viruses(passive) are caused byinfluenza pandemics

Influenza virus Bcausedinfluenza pandemics

viruses that have a hemagglutinin ( HA ) to which m(passive) are caused byInfluenza pandemics

A viruseshave causedinfluenza pandemics

Virusescausedinfluenza pandemics

A virus ( IAVhave causedinfluenza pandemics

by AI viruses(passive) caused byinfluenza pandemics

type A ... the onecausesinfluenza pandemics

Viruses that have caused pastoriginatedinfluenza pandemics

by highly contagious viral pathogens(passive) caused byinfluenza pandemics

by influenza A virus ( IAV(passive) caused byinfluenza pandemics

Influenza A virusesalso causeinfluenza pandemics

a virus that is either entirely new or not known to have circulated among humans in recent decades(passive) are caused byInfluenza pandemics

meningitis cases(passive) caused bymeningitis cases

millions of deaths ( up to 50 million deaths for the 1918 pandemiccan causemillions of deaths ( up to 50 million deaths for the 1918 pandemic

to high levels of illness , death , social disruption , and economic losshave ledto high levels of illness , death , social disruption , and economic loss

significant morbidity , mortality , and social disruption worldwidecan causesignificant morbidity , mortality , and social disruption worldwide

death and illness worldwide in the pastcauseddeath and illness worldwide in the past

high levels of sickness and death , major social disruptions and economic losshave causedhigh levels of sickness and death , major social disruptions and economic loss

millions of deaths , social disruption and profound economic losses worldwidecausedmillions of deaths , social disruption and profound economic losses worldwide

in excess mortality and social disruptionresultin excess mortality and social disruption

death and illnesscauseddeath and illness

in substantial morbidity and mortality each yearresultin substantial morbidity and mortality each year

mild illness(passive) caused bymild illness

the incidence of bacterial meningitis(passive) caused bythe incidence of bacterial meningitis

in deathcan resultin death

illness in poultrydoes ... causeillness in poultry

in significant morbidity and mortality worldwidehave resultedin significant morbidity and mortality worldwide

severe pneumoniacan causesevere pneumonia

in ' enormous numbers of deathsresultin ' enormous numbers of deaths

high rates of morbidity and mortality in humanscan causehigh rates of morbidity and mortality in humans

enormous morbidity and deathshould causeenormous morbidity and death

ear and respiratory infectionscausesear and respiratory infections

millions of deathshave causedmillions of deaths

millions of deathscausemillions of deaths

from influenza viruses capable of human - to - human transmission andresultfrom influenza viruses capable of human - to - human transmission and

in hospitalizationcan resultin hospitalization

an increase in excess all cause mortalitycausesan increase in excess all cause mortality

ear infectionscausedear infections

approximately 70,000 deaths in the United Statescausedapproximately 70,000 deaths in the United States

I ) Lower respiratory tract infections(passive) caused byI ) Lower respiratory tract infections

in motion by the H5N1 virus re - emergence in 2003setin motion by the H5N1 virus re - emergence in 2003

severe disease(passive) caused bysevere disease

in the united statescan resultin the united states

such as the case of Mexicomay ... originatesuch as the case of Mexico

in increased vaccine demandcan resultin increased vaccine demand

severe disruptions all around the worldcausingsevere disruptions all around the world

from animal influenza virusestypically originatedfrom animal influenza viruses

from animal influenza virusesoriginatedfrom animal influenza viruses

millions of deaths across the worldhave causedmillions of deaths across the world

the middle ear(passive) caused bythe middle ear

enormous social and economic disruptionhave ... causedenormous social and economic disruption

How serious More information Influenza ... fever , sore throat , cough , headache , chills ... muscle aches Influenza Vaccinecan causeHow serious More information Influenza ... fever , sore throat , cough , headache , chills ... muscle aches Influenza Vaccine

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