Theory for Spreading of Disease (10 май 1848 г. – 11 май 1881 г.)
Описание:
 The first assumptions that the vector is the mosquito was made by an American physician named Josiah Clark Nott in 1848 followed by Cuban physician Carlos Finlay in 1881. 
Добавлено на ленту времени:
Дата:
10 май 1848 г.
11 май 1881 г.
 ~ 33 years