Q5 of 70 Page 57

Explain any three preventive measures to control microbial infections.

Three preventive measures to control microbial infections are:

1. Overcrowded places should be avoided. So as to avoid exposure to already infected people and other microbes in the air.


2. Preventive vaccination could be done.


3. Personal as well as community hygiene should be maintained so as to avoid the growth of microbes.


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In the given flow diagram, the replication of retrovirus in a host is shown. Observe and answer the following questions.

a. Fill in (1) and (2)


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“Maintenance of personal and public hygiene is necessary for prevention and control of many infectious diseases”. Justify the statement giving suitable examples.