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a flu virus that has mutated from an animal form of the virus and has developed the ability to spread from human - to - human(passive) is caused byPandemic flu
by a strain of avian influenza virus which has the ability to mutate or change into a virus that can infect and cause widespread illness and deaths in humans(passive) is caused byAn influenza pandemic
a novel influenza A ( H1N1 ) virus of swine origin(passive) was caused byThe influenza pandemic
a new strain of the influenza Type A virus(passive) is caused byAn influenza pandemic
In 2009 , influenza A / H1N1 virus , first identified in Mexico , rapidly circulated around the worldcausingan influenza pandemic
by influenza A ( pH1N1 ) over(passive) caused bymild influenza pandemic
by a human strain of the H5N1 bird flu virus(passive) caused byan influenza pandemic
a human strain of the H5N1 bird flu virus(passive) caused byan influenza pandemic
A ( H1N1 ) viruses and the new virushas causedan influenza pandemic
a strain of H5N1 changes so that it is highly infectious to humans and spreads easily from person to personcould causean influenza pandemic
when the influenza ( or " flu " ) virus mutates to produce a strain so different from previous strains that there is no natural immunity to it and the disease becomes widespread(passive) is causedAn influenza pandemic
by a new strain of H1N1 influenza virus(passive) caused byan influenza pandemic
by the emergence of a new , highly lethal virus strain that is easily transmitted from person to person(passive) caused byan influenza pandemic
The Influenza a H1N1 virus ... a highly contagious pathogencausedthe influenza pandemic
by a novel strain of influenza virus for which there is little resistance and which therefore is highly transmissible among humans(passive) caused byInfluenza pandemic
Type A flu virusescausepandemic flu
a new strain of the virus that people have no resistance to(passive) is caused byPandemic influenza
by an H5N1 avian influenza virus that has obtained the ability to be easily transmitted from person to person(passive) caused byan influenza pandemic
an H5N1 avian influenza virus that has obtained the ability to be easily transmitted from person to person(passive) caused byan influenza pandemic
by a highly pathogenic avian influenza hpai virus of h5n1 subtype(passive) caused byan influenza pandemic
by a strain of H1N1 virus(passive) caused byan influenza pandemic
A strain of bird flu spread by human - to - human contactcould causean influenza pandemic
a new strain of the flu virus , to which no one will have immunity(passive) will be caused byThe influenza pandemic
reassortment ) Results in novel strain or new subtypeCan causepandemic influenza
by an H1N1 strain of influenza A(passive) caused byan influenza pandemic
by an H1N1 strain of influenza(passive) caused byan influenza pandemic
the new H1N1 viruswas causingan influenza pandemic
by the new A(H1N1 ) virus(passive) caused byan influenza pandemic
by the new H1N1 virus(passive) caused bypandemic influenza
by the new H1N1 virus(passive) caused byThe influenza pandemic
a new strain of the virus(passive) is caused byPandemic influenza
by the 2009 H1N1 virus(passive) caused byThe influenza pandemic
the 2009 H1N1 virus(passive) caused byThe influenza pandemic
by the H1N1 Influenza Virus which spread around the world(passive) caused byInfluenza pandemic
by a novel human influenza subtype(passive) caused bypandemic influenza
by the H1N1 strain of influenza virus(passive) caused bypandemic influenza
a new virus to which people have no immunity(passive) is caused byPandemic influenza
The influenza A(H7N9 ) virus ... easily enoughto causean influenza pandemic
by the novel H1N1 virus that emerged in April isn?t(passive) caused byThe influenza pandemic
This seasonal A ( H1N1 ) virus ... the same viruscausedthe influenza pandemic
at least 500,000 deaths in the United States and up to 50 million worldwide influenza pandemic caused at least 70,000 deaths in the United States and 1 - 2 million worldwide influenza pandemic caused about 34,000 deaths in the US and 700,000 worldwidecausedat least 500,000 deaths in the United States and up to 50 million worldwide influenza pandemic caused at least 70,000 deaths in the United States and 1 - 2 million worldwide influenza pandemic caused about 34,000 deaths in the US and 700,000 worldwide
at least 500,000 deaths in the United States and up to 50 million worldwide influenza pandemic causedcausedat least 500,000 deaths in the United States and up to 50 million worldwide influenza pandemic caused
severe disease in young , healthy people ... resulting in more illness and deathscan causesevere disease in young , healthy people ... resulting in more illness and deaths
in an estimated 50 to 100 million deaths , more than any other influenza pandemic in historywould resultin an estimated 50 to 100 million deaths , more than any other influenza pandemic in history
in widespread illness and deaths globallycould potentially resultin widespread illness and deaths globally
in at least 70,000 US deaths and 1 - 2 million deaths worldwideresultedin at least 70,000 US deaths and 1 - 2 million deaths worldwide
a global outbreak , or pandemiccausesa global outbreak , or pandemic
more severe illness than seasonal influenza""But the 2009 pandemic , taken as a wholedoes ... causemore severe illness than seasonal influenza""But the 2009 pandemic , taken as a whole
a global outbreak , or pandemic , of serious illness that spreads easily from person to personcausesa global outbreak , or pandemic , of serious illness that spreads easily from person to person
in the deaths of 50 to 100 million with Likeresultedin the deaths of 50 to 100 million with Like
in the deaths of 50 to 100 million Devastating Epidemics and Diseases 20resultedin the deaths of 50 to 100 million Devastating Epidemics and Diseases 20
in the deaths of 50 to 100 million Devastating Epidemics and Diseases 30resultedin the deaths of 50 to 100 million Devastating Epidemics and Diseases 30
in the deaths of 50 to 100 millionresultedin the deaths of 50 to 100 million
in the deaths of 50 to 100 million resultedin the deaths of 50 to 100 million
the 2009 pandemichad ledthe 2009 pandemic
in the deaths of 50 to 100 million Devastating Epidemics and Diseases 16resultedin the deaths of 50 to 100 million Devastating Epidemics and Diseases 16
serious illnesscausesserious illness
severe illness and deathmay causesevere illness and death
mild illness or serious illness leading to deathmay causemild illness or serious illness leading to death
deaths(passive) caused bydeaths
millions deaths around worldcausedmillions deaths around world
with avian fluoriginatedwith avian flu
in widespread illness and death around the worldcould potentially resultin widespread illness and death around the world
severe morbidity and mortalitycausessevere morbidity and mortality
another 50 to million deaths worldwidecausedanother 50 to million deaths worldwide
in Mexicooriginatedin Mexico
in pigsoriginatedin pigs
widespread disruption of work and millions of deathscould causewidespread disruption of work and millions of deaths
flu(passive) caused byflu
in the deaths of 50 to 100 million Latestresultedin the deaths of 50 to 100 million Latest
in China not Spainoriginatedin China not Spain
more severe illness and deaths in younger age groupscausesmore severe illness and deaths in younger age groups
far more deathsoccasionally causesfar more deaths
severe illness in large numbers of peoplecausessevere illness in large numbers of people
to a huge federal program to develop a vaccine and vaccinate every American against the virusledto a huge federal program to develop a vaccine and vaccinate every American against the virus
in the rapid spread of the infection with outbreaks throughout the worldwill resultin the rapid spread of the infection with outbreaks throughout the world
in the rapid spread of infection with outbreaks throughout the worldwill resultin the rapid spread of infection with outbreaks throughout the world
serious disruptioncausedserious disruption
epidemic wave(passive) provoked byepidemic wave
serious morbidity and mortalitycausesserious morbidity and mortality