16 июн 1968 г. - Hong Kong Flu: 1968-69
Описание:
Another influenza strain from Hong Kong, this version was H3N2 and caused somewhere between 1-4 million deaths. It is believed that thi strain actually evolved from the 1957 Asian flu strain by way of antigenic shift, a process in which one strain will undergo genetic mutation after becoming exposed to another strain in a suitable host body such as a pig.Добавлено на ленту времени:
Дата:
16 июн 1968 г.
Сейчас
~ 56 г назад
