8 out 1916 ano - Polio in US
Descrição:
-US: 27,000 cases with >6000 deaths-Almost all under the age of 5
-Unclear how it spread, no way to protect against infection
-Created panic because of threat of death and disability
Figure 10: A group of mothers with their children outside the Middlesex County Council Clinic, waiting for the first polio vaccinations to begin
Adicionado na linha do tempo:
Data:
8 out 1916 ano
Agora
~ 108 years ago