1 янв 1894 г. - First Major Polio Outbreak in USA recorded

Описание:

The first major documented polio outbreak in the United States occurs in Vermont; 18 deaths and 132 cases of permanent paralysis are reported.

https://www.endpolio.org/rotary-and-the-fight-against-polio

Добавлено на ленту времени:

Дата: