How do malaria vaccines work against a parasite instead of a virus?
Quick Answer
They prepare the immune system to attack the malaria parasite at an early stage in infection. This can reduce severe illness and lower the chance of the parasite reaching the liver and blood.
The Full Story
Malaria vaccines target Plasmodium falciparum, a parasite transmitted by mosquitoes. The RTS,S/AS01 vaccine, also known as Mosquirix, was endorsed by the World Health Organization in 2021 for young children in areas with moderate to high malaria transmission. More recently, another vaccine called R21/Matrix-M has also been recommended for broader use. These vaccines are not perfect, but they can reduce severe malaria and save lives when combined with mosquito control and prompt treatment.
Key Facts
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"How scientists made vaccines against a mosquito-borne parasite"