Question

Help me please i have other work i need to do and i need this done as soon as possible

Answer 1

Answer: The race for a vaccine is very important, because we need it to improve forward. (Continue explains about each one)

Explanation: Just write about how important the race to the vaccine is. In this case of both vaccines.Some like what I put above should be good. Suggestions could be searching up the causes and how deadly each one actually was.