Infectious diseases can emerge through genetic, social and behavioural changes in the host and/or pathogen.
Provide: (a) two examples of genetic changes, and (b) two examples of social or behavioural changes that have enabled new infectious diseases or new strains to emerge.
In all four examples that you give, name the pathogens and explain how the changes led
to disease emergence. Mandatory word limit: Write no more than 200 words in total.
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