Mosquitoes, diseases and the “natural” delusion

Mosquitoes have always been a major problem in the tropical regions. There are few things as unpleasant as a mosquito bite. That, however, is nothing compared to the very real threat mosquitoes pose to humans as disease vectors. Mosquitoes are known to be carriers of a variety of diseases such as malaria, dengue, filariasis and chikungunya, among others.  Zika , a viral disease spread by mosquito bites, that otherwise presents very mild symptoms, has of late become another reason for major concern worldwide. It has been found that the virus that causes the disease can be sexually transmitted, and that if a pregnant woman has zika, her child is very likely to be born with microcephaly and neurological problems that may lead to severe mental and physical handicaps or even death. And the virus, which was confined mainly to certain parts of Africa and Asia in the past, saw an outbreak in Brazil recently, and has since been spreading worldwide, because the Aedes mosquitoes that carry the virus are spreading, with a little help from their human friends. It is important, then, to stop the mosquitoes from doing any harm, and steps have to be taken to prevent them from spreading. Continue reading “Mosquitoes, diseases and the “natural” delusion”