Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Получить премиум

Create a timeline

Public timelines

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

6 авг 1950 г. - Polio outbreak

Описание:

first one was in vermont
illness of patients who died from this disease
before the vaccine was available 15000 cases of paralysis

Добавлено на ленту времени:

new disease

14 дек 2018

1

0

553

Дата:

6 авг 1950 г.

Сейчас

~ 75 г назад

About & Feedback Соглашение Приватность FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL