Blood feeding by mosquitoes several times increases malarial transmission

Malaria, a life-threatening disease caused by parasites that transmit through the bite of the female Anopheles mosquitoes. Precisely, the female Anopheles gambiae is primarily the active vector for the Plasmodium falciparum parasite. For instance, it increased the incidence rate to 228 million and resulted in 405,000 death in 2018.

Scientists cues that the infected vector, while feeding blood several times from the host, shortens the incubation period of the parasite. Also, it increases the transmission potential by accelerating the development of the parasite. Perhaps the vector mosquitoes consume blood every 2 to 3 days, providing the maximum possibility of transmission.

This study gives much desperation for people who are involving in mitigation strategies. Nonetheless, the genetically modified mosquitoes are a part of the control plan, yet there claims a red flag. These biologically modified mosquitoes were to bring down their reproductive performance but surpass the parasite growth effectively. Yet another interesting fact is the young mosquitoes are least susceptible to the chemical killing but rather carries the transmission potential.

So the conclusion is the younger mosquitoes and others with declined reproductive efficiency possess a strong implication on the transmission rate. Further study will improve the transmission feasibility and also the methods to control infection.

Source: Medical Xpress

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