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my strain ... the straincausedthe great flu epidemic of 1918
A reassortment of an avian virus and two strains of H1N1 ... the straincausedthe 1918 Flu Pandemic
The viruscausedthe great influenza epidemic of 1918
what kind of influenzacausedthe Great Influenza Epidemic of 1918
an influenza A H1N1 virus of avian origin(passive) was caused byThe 1918 Influenza Pandemic
the H1N1 influenza virus ... the viruscausedthe 1918 flu pandemic
This Passing Feversetin 1918 's influenza epidemic
the viruscausingthe 1918 - 1919 influenza pandemic
the new H1N1 ... the viruscausedthe 1918 flu pandemic
H1N1 form of swine flu ... the straincausedthe 1918 flu pandemic
The H1N1 form of swine flu ... the straincausedthe 1918 flu pandemic
The H1N1 form of swine flu ... the complex straincausedthe 1918 flu pandemic
The A H1N1 flu virus ... the straincausedthe 1918 flu pandemic
This H1N1 viral strain was similar to thatcausedthe 1918 flu pandemic
another H1N1 virus(passive) caused byThe 1918 flu pandemic
the H1N1 variant of swine flu ... the straincausedthe 1918 flu pandemic
The Spanish Flu pandemic of 1918(passive) was caused byThe Spanish Influenza Epidemic of 1918
by an h1n1 virus with genes of avian origin(passive) was caused byThe 1918 influenza pandemic
an H1N1 virus and similar strains(passive) was caused byThe 1918 influenza pandemic
The virus ... the straincausedthe 1918 flu pandemic
by an H1N1 virus(passive) caused byThe 1918 flu outbreak
by an H1N1 strain(passive) was ... caused bythe 1918 flu pandemic
The bird flu strain ... the viruscausedthe influenza pandemic of 1918
a bird flu virus(passive) could have been caused byThe 1918 flu pandemic
by subtype H1N1 viruses(passive) caused byThe 1918 influenza pandemic
some mutations similar to that of the viruscausedthe 1918 flu pandemic
by the H1N1 virus(passive) caused byThe 1918 influenza pandemic
an H1N1 virus(passive) was caused byThe 1918 influenza pandemic
by H1N1 virus(passive) caused byThe 1918 influenza pandemic
by an H1N1 virus(passive) to be caused bythe 1918 influenza pandemic
by the H1N1 virus(passive) was caused bythe 1918 influenza pandemic
an H1N1 virus(passive) was also caused byThe 1918 influenza pandemic
an influenza A virus ( H1N1 ) , a virus similar " swine flu(passive) was caused byThe 1918 flu epidemic
the same family of virus A(passive) was caused byThe 1918 flu pandemic
the 2009 pandemic ... the straincausedthe 1918 influenza pandemic
strain ... researcherscausedthe 1918 flu pandemic
the viruscausedthe 1918 Flu Pandemic
the H1N1 influenza A viruscausedthe 1918 influenza pandemic
by a type of influenza(passive) was causedthe 1918 flu pandemic
a deadly version of the H1N1 influenza virus(passive) was caused byThe 1918 Influenza Pandemic
some 50 million fatalitiescausedsome 50 million fatalities
in Spaindid ... originatein Spain
between 20 and 40 million human deathscausedbetween 20 and 40 million human deaths
20 m deathscaused20 m deaths
a pandemic worldwidecauseda pandemic worldwide
in 20 million deaths , including 500,000 in the United Statesresultedin 20 million deaths , including 500,000 in the United States
an estimated 50 million to 100 million deathscausedan estimated 50 million to 100 million deaths
about 500,000 U.S. deaths and up to 40 million worldwidecausedabout 500,000 U.S. deaths and up to 40 million worldwide
an estimated 50 to 100 million deathscausedan estimated 50 to 100 million deaths
a pandemiccauseda pandemic
in Januaryoriginatedin January
30 to 50 million deaths worldwide , including about 675,000 in the United Statescaused30 to 50 million deaths worldwide , including about 675,000 in the United States
an estimated 50 million to 100 million deaths worldwidecausedan estimated 50 million to 100 million deaths worldwide
to the death of over 20 million peopleledto the death of over 20 million people
50 - 100 million deaths worldwidecaused50 - 100 million deaths worldwide
50 million deathscaused50 million deaths
approximately 50 million to 100 million deaths in the worldcausedapproximately 50 million to 100 million deaths in the world
more deaths than the war itselfcausedmore deaths than the war itself
any deathsDid ... causeany deaths
between 50 and 100 million deaths worldwidecausedbetween 50 and 100 million deaths worldwide
in about 20 million deathsresultedin about 20 million deaths
more than 20 million deathscausedmore than 20 million deaths
an estimated fifty million deaths worldwidecausedan estimated fifty million deaths worldwide
in more than 1,000 deathsresultedin more than 1,000 deaths
the deaths(passive) caused bythe deaths
40 million deathscaused40 million deaths
over 40 million deathscausedover 40 million deaths
approximately 50 million deaths worldwidecausedapproximately 50 million deaths worldwide
to worldwide devastationledto worldwide devastation
in millions of deaths worldwideresultedin millions of deaths worldwide
around 50 million deaths worldwidecausedaround 50 million deaths worldwide
more deaths than World War 1causedmore deaths than World War 1
even morecausedeven more
in up to 100 million deaths worldwideresultedin up to 100 million deaths worldwide
more deaths worldwide than did the war itselfcausedmore deaths worldwide than did the war itself
to deaths of between 50 - 100 million peoplecontributedto deaths of between 50 - 100 million people
more then half for these deaths(passive) were caused bymore then half for these deaths
between 50 and 100 million deathscausedbetween 50 and 100 million deaths
by vaccinescausedby vaccines
in so many deathsresultedin so many deaths