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Influenza epidemic (1 янв 1918 г. – 1 янв 1919 г.)
Описание:
It was the first of the two pandemics involving H1N1 influenza virus
Добавлено на ленту времени:
20 мар 2018
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Дата:
1 янв 1918 г.
1 янв 1919 г.
~ 12 months