1 июн 2021 г. - Delta becomes the dominant variant in the U.S.
Описание:
The Delta variant, first identified in India in late 2020, becomes the dominant variant in the U.S. The variant kicks off a third wave of infections during the summer of 2021.Добавлено на ленту времени:
Дата:
1 июн 2021 г.
Сейчас
~ 4 г назад