Many diseases such as HIV.
Measles is caused by virus.
Rabies is caused by RNA virus.
virus
It is a virus.
virus is a disease which is caused by virus
It is caused by a virus called A-H1N1/09 influenza virus (aka swine flu).
It is caused by a virus infection
The autoimmune disease caused by the HIV virus is AIDS.
Bacteria Virus
A virus
Virus
Smallpox is an infectious disease unique to humans, caused by either of two virus variants, Variola major and Variola minor