Although yellow fever is not a contagious disease, the diffusion pattern described by Brazilian researchers in a new study is known as “spread by contagion.’
This term refers to the virus transmission through contiguous and nearby areas.
Yellow fever is a non-contagious viral disease with two transmission cycles, sylvatic (in wild animals) and urban, between people.
Sylvatic yellow fever circulates among monkeys, and in Brazil, it is also transmitted by mosquitoes that bite an infected monkey who then infect others.
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