Why is it difficult to create a vaccine against a common cold?(1 point)
Responses

The viral genome mutates very quickly.
The viral genome mutates very quickly.

Vaccines are unnecessary because antibiotics are an effective treatment.
Vaccines are unnecessary because antibiotics are an effective treatment.

It is impossible to create a vaccine against illnesses caused by proviruses.
It is impossible to create a vaccine against illnesses caused by proviruses.

Vaccines are only effective against bacterial infections.

All Answers 1

Answered by GPT-5 mini AI
The viral genome mutates very quickly.

Explanation: The common cold is caused by many different viruses (many rhinovirus serotypes, plus coronaviruses, adenoviruses, etc.) that vary antigenically and mutate rapidly, making a single effective vaccine difficult to produce.