8 окт 1916 г. - Polio in US
Описание:
-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
Добавлено на ленту времени:
Дата:
8 окт 1916 г.
Сейчас
~ 108 г назад