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

Vaccines are only effective against bacterial infections.
Vaccines are only effective against bacterial infections.

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

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 unnecessary because antibiotics are an effective treatment.

All Answers 1

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

Rhinoviruses and other cold-causing viruses have many strains and high mutation rates, so immunity to one strain often doesn't protect against others.