COVID-19 (Coronavirus) is a virus that can spread if you (or somebody else) is exposed to it. The best way to avoid it is wearing a mask, stay 6 feet apart from people, and trying not to be in the open so much.
Bacteria and virus
Smallpox was a virus.
virus
a bacteria. the bacteria that causes pneumonia is called pneumoniae.
Bacteria Virus
Virus
Virus
virus
Virus
Mutations of Bacteria from Virus Sensitivity to Virus Resistance was created in 1943.
That depends on the bacteria, the virus, and your definition of "living."
No bacteria is huge compared to a virus