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stellarik [79]
2 years ago
8

Viruses change at a very fast rate Can you use this information to explain why vaccines against a specific virus don't last fore

ver ?
Biology
1 answer:
Lorico [155]2 years ago
7 0

Viruses can multiply very quickly, and so they can go through natural selection at a much quicker rate, allowing certain vaccine resistant mutations to take over a population.

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In the given question, the drugs when combined produce the sum of the drugs equal to the effect shown by the drugs individually therefore the effect of the drug is added. This type of drug interaction is known as the additive effect.

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