Question

The main idea of the text is:
The viruses
The history of germs​

Answer 1

Respuesta:

The main idea of the text is:

The viruses

The first vaccines were developed by:  

Louis Pasteur’s and Edward Jenner

to protect people from:  

Virus infections.

Scientists started studying viruses at the end of the:

19th Century.

Who discovered viruses.

Botanical scientists.

Explicación:

uas :3