Question

which of the following is true about influenza?
a. it can be prevented with an annual flu vaccine.
b. there was an influenza pandemic in 2017.
c. it results in the death of tens of thousands of people each year.
d. it is now under control, accounting for few deaths each year.

Explanation:

• Option a: Annual flu vaccines are effective in preventing influenza as they target the most common strains each year, so this is true.
• Option b: The major influenza pandemic in recent history was not in 2017; for example, the 2009 H1N1 pandemic was significant, so this is false.
• Option c: Influenza does result in tens of thousands of deaths annually in many countries due to complications, so this is true.
• Option d: Influenza is not "under control" with few deaths; it still causes significant mortality yearly, so this is false.

Answer:

a. It can be prevented with an annual flu vaccine,
c. It results in the death of tens of thousands of people each year.