in both cases vaccines can be used as a preventative. but once infected most vaccines can do little.
Bacteria and virus
Smallpox was a virus.
You have to know the cause to know how to treat it. There are specific treatments that kill bacteria, and others that block the activity of viruses. Practically none of them work against BOTH viruses and bacteria.
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."