Question

AIDS ,mumps,measles,chicken pox, polio,influenza and rabies are caused by

• A. Fungi
• B. Bacteria
• C. Viruses
• D. Protozoa

Answer 1

The correct option is C Viruses

• Acquired immunodeficiency syndrome is a serious infection of the immune system caused by the Human immunodeficiency virus (HIV). HIV virus is lentivirus (a group of retrovirus).
• Mumps is a viral disease caused by the mumps virus. It is highly contagious and spreads rapidly among people living in close contacts. The virus is transmitted by respiratory droplets or direct contact with an infected person.
  
• Measles is a highly contagious infectious disease caused by the measles virus. It is an airborne disease which spreads easily through the coughs and sneezes of infected people. It may also be spread through contact with saliva or nasal secretions.
  
• Chickenpox, also known as varicella is a highly contagious disease caused by the initial infection with varicella zoster virus. It is an airborne disease which spreads easily through the coughs and sneezes of an infected person.
• Poliomyelitis, often called polio or infantile paralysis is an infectious disease caused by the poliovirus. It is usually spread from person to person through infected faecal matter or by contaminated food or water containing human faeces and less commonly from infected saliva.
  
• Influenza, commonly known as the flu is an infectious disease caused by an influenza virus. The virus is spread through the air from coughs or sneezes.
  
• Rabies is a viral disease that causes inflammation of the brain in humans and other mammals. It is caused by lyssaviruses. It is spread when an infected animal scratches or bites another animal or human.