Answer:
Preventive measures to control microbial
infection include
(i) Maintenance of personal and public
hygiene by
(a) Proper cleanliness standards and practices.
(b) Proper disposal of waste.
(c) Periodic cleaning of water reservoirs, etc.
(ii) Control or elimination of
vectors that transmit diseases by
(a) Checking water stagnation and garbage accumulation.
(b) Using disinfectants or biological methods to check
their breeding and spread.
(iii) Proper immunization by
vaccination, wherever available to control or completely eradicate infectious
diseases.
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