Exciting news from medical research: Long-term protection against malaria is possible, challenging the previous belief that it fades quickly.
Two and a half years ago, researchers at Radboud University Medical Center trialed an experimental immunization method on ten volunteers. Participants took the antimalarial drug chloroquine for months while being repeatedly bitten by malaria-infected mosquitoes.
No symptoms emerged
The team re-exposed six original volunteers to the same malaria parasites. Four showed complete protection, with their immune responses preventing blood-stage infections. The other two mounted a defense but couldn't fully stop a blood infection.
Major breakthrough
This marks a pivotal advance in achieving durable malaria immunity. "The idea that protection against malaria wanes rapidly can now be discarded," said lead researcher Robert Sauerwein, MD, PhD, in The Lancet.
This approach isn't ready for everyone yet. Follow-up studies are essential. "Volunteers faced the same strain as initially," Sauerwein explained. "Real-world infections involve diverse strains."
Read more mosquito facts and anti-itch tips
