Multiple choice

Which of the following countries has begun laboratory tests of A (H1N1) flu vaccine?

  1. India

  2. China

  3. Mexico

  4. None of these

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

China began laboratory tests of A(H1N1) flu vaccine in 2009 during the swine flu pandemic. China was among the first countries to initiate H1N1 vaccine development and testing programs. India was not the first to begin testing.