In 2009, the h1n1 influenza virus caused illness around the world. an h1n1 virus was also responsible for the 1918 influenza epidemic, as well as an influenza outbreak in 1976. some people who were born before 1953 were found to have some immunity to the 2009 h1n1 virus. how could they have obtained this immunity?

Question

Biology

Adelyn Waller

14 June, 22:37

In 2009, the h1n1 influenza virus caused illness around the world. an h1n1 virus was also responsible for the 1918 influenza epidemic, as well as an influenza outbreak in 1976. some people who were born before 1953 were found to have some immunity to the 2009 h1n1 virus. how could they have obtained this immunity?

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Gordo · Answer 1

They could have obtained it because in 1953 they were probably more healthy. Their immune systems were not so exposed to processed foods or so many human made sicknesses. However the 1918 epidemic might have gave a boost to self-protect the ones that were not affected.