Explain any three preventive measures to control microbial infections.

Explanation

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 immunisation by vaccination, wherever available to control or completely eradicate infectious deseases.