Which one of the following major factors affecting emergence of infectious disease would be most applicable to the emergence of Nipah virus in Malaysia?Question 8Answera.Changes in technology and industryb.Breakdown of public health measuresc.Changes in demographics and behaviourd.Microbial adaptation and changee.Environmental change and land use
Question
Which one of the following major factors affecting emergence of infectious disease would be most applicable to the emergence of Nipah virus in Malaysia?Question 8Answera.Changes in technology and industryb.Breakdown of public health measuresc.Changes in demographics and behaviourd.Microbial adaptation and changee.Environmental change and land use
Solution
The Nipah virus outbreak in Malaysia is most closely associated with "e. Environmental change and land use". This is because the emergence of the Nipah virus was largely due to changes in agricultural practices. Pigs, which were the intermediate hosts of the virus, were reared in close proximity to fruit trees. Fruit bats, the natural hosts of the virus, would drop partially eaten fruit into pig pens. The pigs would then consume the fruit, contract the virus, and subsequently transmit it to humans. This is a clear example of how changes in land use and environmental factors can lead to the emergence of new infectious diseases.
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