Answers

2014-11-20T15:47:29+05:30
Disease are spread by air, water, contaminated food and water, direct and indirect contacts such as sexual contacts, blood transfusion, saliva, mucous etc
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2014-11-20T15:59:43+05:30
Diseases can be spread through contaminated water , air ,food , direct or indirect means , physical contact , insects ,etc. Mosquito is also a means of spreading diseases such as, malaria , dengue ,etc
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