1. Osteoporosis
  2. Meningitis
  3. Swine Flu
  4. AIDS
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1 Answers

Option 1 : Osteoporosis

Option 1 is correct, i.e. Osteoporosis.

 

  • Osteoporosis is a medical condition in which the bones become fragile and brittle.
  • It is usually caused by a deficiency of calcium and vitamin D.

  • Meningitis is an infection of the protective membranes that surround the brain and spinal cord (meninges).
  • Swine influenza, also called pig influenza, swine flu, hog flu, and pig flu, is an infection caused by any one of several types of swine influenza viruses. 
  • It is a highly contagious respiratory disease caused by viruses.
  • The disease is spread among pigs by direct and indirect contact.
  • Swine flu is also known as the H1N1 virus.
  • The full form of AIDS is Acquired Immune Deficiency Syndrome.
  • It is caused by HIV (Human Immunodeficiency Virus) a member of a group of viruses called a retrovirus.
  • Transmission of HIV infection generally occurs by:
    • Sexual contact with an infected person.
    • By transfusion of contaminated blood and blood products.
    • By sharing infected needles as in the case of intravenous drug abusers. 
    • From the infected mother to her child through the placenta.
  • A widely used diagnostic test for determining AIDS is Enzyme-Linked Immuno-Sorbent Assay (ELISA).
  • World Aids Day is celebrated on December 1.
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