The main idea of this article is

Question

A. all germs – not just viruses, bacteria, fungi, and protozoa — can be deadly

B.scientists are working to protect germs humans from invasions of germs

C. though some germs can be harmful, many germs are harmless

D. it is important to wear a mask over your mouth, clean your hands regularly, and never drink unfiltered water to protect against germs

Answer 1

The main idea of the article is likely:

C. though some germs can be harmful, many germs are harmless