B. It can cause widespread death
it can also
C. It may seriously impact healthy adults.
flu is caused by a virus (influenza) NOT bacteria
Vaccines are made, but may not necessarily be available for a pandemic right away (takes time to develop).
i want to say A...............................................
Answer:
<em>C. The surviving species evolve more rapidly to fill the newly available niches.</em>
Explanation:
It has a d<span>ense cluster of lymphocytes and macrophages in the medulla? Hope this helps....</span>
