29 Dez 1977 Jahr - Influenza
Beschreibung:
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.
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Diseases and Discoveries Related That Have Impacted Recorded Human History
This timeline goes over several diseases, germ theory, knowl...
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