The RO for SARS-Cov-2 (which causes Covid-19) is estimated to be as high as 3.6. If this is correct, what percentage of the population must be vaccinated to achieve herd immunity? O 42% O 67% O 73% O 81%

The RO for SARS-Cov-2 (which causes Covid-19) is estimated to be as high as 3.6. If this is correct, what percentage of the population must be vaccinated to achieve herd immunity? O 42% O 67% O 73% O 81%

Aquaculture Science

3rd Edition

ISBN:9781133558347

Author:Parker

Publisher:Parker

Chapter11: Health Of Aquatic Animals

Section: Chapter Questions

Problem 18SA

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Concept explainers

Viral Infections

Viruses are abundantly found, minute entities that have genetic material enclosed within a protein coat. The proteinaceous material enclosing the genetic material of the virus is called a capsid. The genetic material could be either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). A virus is too minute to be looked at with naked eyes and therefore visualized with the help of a microscope. They are acellular entities that require a host for processes, such as replication, transcription, translation and multiplication. Plants, animals, and bacteria act as host wherein the virus reproduce. Viruses cannot multiply outside the host's body and thus are considered nonliving outside the host body.

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The RO for SARS-Cov-2 (which causes Covid-19) is estimated to be as high as 3.6. If
this is correct, what percentage of the population must be vaccinated to achieve
herd immunity?
42%
O 67%
O 73%
81%
O 88%
ock

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