Unfold of Drug-Resistant Malaria by Asian Malaria Mosquito in Africa

. Based on the WHO, there have been an estimated 247 million instances of malaria worldwide in 2021 with over 600,000 deaths, principally in Africa. Kids underneath 5 accounted for about 80% of all malaria deaths within the area.

unfold to the Horn of Africa (Ethiopia, Sudan, Somalia, and Eritrea) and past (Yemen, Nigeria, Kenya, and Ghana) at a pace unknown earlier than for comparable species.

Folks in households/dormitories with An. stephensi positivity had a 270% greater danger of malaria an infection than these in households/dormitories the place An. stephensi was not detected.


As well as, two different organic threats for the management of malaria had been recognized: drug resistance and diagnostic resistance of the parasite.

Dr. Luigi Sedda from the Lancaster Ecology and Epidemiology Group at Lancaster College Medical College is a joint first creator on the paper which is revealed in Nature Medication.

He stated: “‘It is a crucial discovering. The mosquito that has unfold within the Horn of Africa from Asia drove a significant city malaria outbreak in Ethiopia. An. stephensi is posing vital public well being issues because of the enhance in geographical presence, the capability to persist all year long and to withstand present pesticides, and to transmit drug and diagnostic resistant parasites.”

The capability of Anopheles stephensi to make use of artifical water storage containers that are plentiful in quickly increasing African city settings, coupled with its distinctive ecology, behavioral plasticity and resistance to main pesticides, makes it unamenable to traditional mosquito management instruments.

Dr. Sedda concluded: “The epidemiological traits of An. stephensi pushed malaria can problem the expectations for the brand new malaria vaccines to scale back the burden of malaria illness and deaths in Africa, the continent that was already extremely hit by malaria and the place successes in malaria discount are at present stalled.”

Reference :

  1. Proof for a job of Anopheles stephensi within the unfold of drug and diagnosis-resistant malaria in Africa – (https://www.nature.com/articles/s41591-023-02641-9)

Supply: Eurekalert


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