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7 фев 1926 г. - The first vaccine developed for whooping cough

Описание:

Efforts to develop an inactivated whole-cell vaccine began soon after B.

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New timeline

ByJonathan Rawlings
6 ноя 2018
0
0
140

Дата:

7 фев 1926 г.
Сейчас
~ 98 г назад

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