Which Age Group Is Most Susceptible to an Influenza Virus

question 100

Multiple Choice

Which age group is most susceptible to an influenza virus that has undergone antigenic drift?

• A) young individuals (younger than 10 years)
• B) older individuals (older than 65 years)
• C) adults with healthy and developed immune systems (20 years to 40 years)
• D) Both young individuals (younger than 10 years)and older individuals (older than 65 years).
• E) Both young individuals (younger than 10 years)and adults with healthy and developed immune systems (20 years to 40 years).