yes
Stomache virus
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.
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 does not cause a disease but it will weapon your immune system and make you more susceptible to contracting diseases.
It doesn't cause any disease. It protects against the chicken pox (varicella-zoster) virus.
The ability of a virus to cause disease is referred to as its "pathogenicity." This term describes the virus's capacity to infect a host and lead to harmful effects, which can vary in severity depending on factors such as the virus's characteristics and the host's immune response. Pathogenicity is often assessed in terms of the virus's virulence, which indicates the degree of harm it can cause.
attenuated virus consist of same virus but its capacity to cause disease has deleted by the process of attenuation.
yes it causes diseases such as flu,conjuctivitis
Enzymes needed for the virus will not be found in humans.
Ebola is caused by infection with a virus of the family Filoviridae, genus Ebolavirus. There are five identified Ebola virus species, four of which are known to cause disease in humans: Ebola virus (Zaire ebolavirus); Sudan virus (Sudan ebolavirus); Taï Forest virus and Bundibugyo virus (Bundibugyo ebolavirus). The fifth, Reston virus (Reston ebolavirus), has caused disease in nonhuman primates, but not in humans.