Many tropical diseases, such as malaria, yellow fever, and Japanese encephalitis, West Nile virus, Lyme disease, are transmitted by insect bites, usually through the insect’s saliva.
No antimalarial drug is 100% effective and in the case of some diseases (for example, dengue fever) there is no protection at all, so it is best to avoid getting bitten in the first place.
Luckily, insects aren’t a problem in most countries around the world, just annoying, and in those places where they are, only some of them carry diseases.
For example, there are more than 3,000 species of mosquitoes worldwide, and [...]
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