Multiple choice

The hepatitis epidemic engulfed Delhi in 1977 due to�

  1. Detergent pollution

  2. Sewage pollution

  3. Industrial pollution

  4. Mercury poisoning

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The 1977 hepatitis epidemic in Delhi was caused by sewage contamination of water supplies. Hepatitis E virus, transmitted through the fecal-oral route, spread when sewage polluted the drinking water system.