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dec 29, 1977 - Influenza

Description:

Russian Flu H1N1 is reintroduced back due to antigenic shift which is a situation that describes how diseases change and cause large pandemics after an antigenic drift which describes a subtle seasonal change in the disease kind of like a mutation. Two vaccines are developed. A nasal spray and injections, both of which change each year due to mutations.

Added to timeline:

14 Dec 2018
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Diseases and Discoveries Related That Have Impacted Recorded Human History
This timeline goes over several diseases, germ theory, knowl...

Date:

dec 29, 1977
Now
~ 46 years ago
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