Which is the best scientific explanation for the increasing concern over the recent outbreaks of avian influenza in Hong Kong and other Asian locations
A)avian influenza may infect humans.
B)human influenza viruses may exchange genetic material with avian influenza viruses and infect humans more efficiently.
C)avian influenza may spread to other countries.
D)avian influenza may change to another virus that could infect humans.

Question

Quizplus · Accepted Answer

The concern over recent outbreaks of avian influenza in Hong Kong and other Asian locations is due to the possibility of human influenza viruses exchanging genetic material with avian influenza viruses, which could potentially result in a more efficient and deadly virus that could infect humans. This is known as antigenic shift, which can occur when a person is simultaneously infected with both types of viruses. Therefore, choice B is the best scientific explanation.

Which Is the Best Scientific Explanation for the Increasing Concern