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AIDS is caused by a virus called HIV. This virus attacks the immune system especially the T cells. It destroys the body's ability to fight off infections.
HIV is the virus. AIDS is the disease caused by the virus. (So HIV is not actually a disease per se.) As an analogue - the H1N1 virus can cause the flu.
Stomache virus
yes
Immediate cause is the first cause identified when a person is suffering from a disease. For example, if a baby is suffering from loose motions,we can say that the cause of the loose motions is an infection with a virus. So, the immediate cause of the disease is virus.
Respiratory tract
Any virus can usually cause a severe disease or death.
A virus or a parasite.
A virus does not cause a disease but it will weapon your immune system and make you more susceptible to contracting diseases.
yes it a disease to your body and is what causes a cold
A micro-organism, such as a bacterium, a virus or a fungus, that invades a host and causes a disease is called a pathogen.
It doesn't cause any disease. It protects against the chicken pox (varicella-zoster) virus.