Because antibiotics are designed to fight bacterial infections, whereas antivirals are used to combat viral infections.
Antibiotics won't treat a virus.
Since the flu is a severe upper respiratory infection caused by a virus, antibiotics cannot affect them as viruses are not living and antibiotics only affect living microbes.
antibiotics are only affective against bacteria, and a virus is different then bacteria
Ebola is a virus, which is not affected by antibiotics.
Antibiotics can only work against bacterium, whereas measles are caused by a virus.
Antibiotics only work on bacteria.
Antibiotics - because a cold is a virus caused disease and antibiotics have no effect on a virus. However strep throat is caused by a bacterium and antibiotics do kill bacteria.
no, antibiotics kill bacteria/fungi not virus'
Antibiotics are used to fight bacterial infections not viral infections.
Antibiotics kill infectious cells, but viruses are non-living.
The best treatment for a virus is rest and symptom management. Antibiotics will not affect viruses. Vaccines against several viruses have been developed which bolster the immune system, and there are antiviral treatments for severe cases such as HIV.
There are no antibiotics for the bird flu. Influenza (all types) is caused by a virus, and hence can't be treated with antibiotics (antibiotics only work with bacteria).