15 фев 1957 г. - Asian Flu: 1957-58
Описание:
It originated in Hong Kong; a strain of influenza presenting as H2N2 (meaning it's hemagglutinin was type 2 and it's neraminidase was type 2) it ultimately spread across the world and infected one third of the population.Добавлено на ленту времени:
Дата:
15 фев 1957 г.
Сейчас
~ 68 г назад