It's tricky to develop a vaccine for the common cold because: * 1. All colds are caused by bacteria. 2. The common cold isn't caused by pathogens. 3. Many different viruses cause cold symptoms. 4. The

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asked Apr 6, 2023 124k views

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It's tricky to develop a vaccine for the common cold because: *

1. All colds are caused by bacteria.

2. The common cold isn't caused by pathogens.

3. Many different viruses cause cold symptoms.

4. The cold virus has no antigens.

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Josias asked

by Josias

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Answer:

3. Many different viruses cause cold symptoms

Step-by-step explanation:

Dossani answered Apr 10, 2023

by Dossani

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