Question

Choose the correct option:

Statement 1: The first successful polio vaccine was developed by Jonas Salk.

Statement 2: Polio is an infectious disease caused by a bacteria.

• A. Statement 1 is true and statement 2 is false
• B. Statement 1 is false and statement 2 is true
• C. Both the statements are false
• D. Both the statements are true

Answer 1

The correct option is A

Statement 1 is true and statement 2 is false

$\bullet$ Polio, or poliomyelitis, is a crippling and potentially deadly infectious disease. It is caused by the polio virus. The virus spreads from person to person and can invade an infected person's brain and spinal cord, causing paralysis.
$\bullet$ Jonas Salk developed the first effective poliomyelitis (polio) vaccine which consisted of inactivated poliovirus.