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p. vivax infection

NOT open Access | Partial protection against P. vivax infection diminishes hypnozoite burden and blood-stage relapses

May 19, 2021 - 13:32 -- NOT Open Access
Schäfer C, Dambrauskas N, Sather DN, et al.
Cell Host Microbe. 2021 May 12;29(5):752-756.e4

Latent forms of Plasmodium vivax, called hypnozoites, cause malaria relapses from the liver into the bloodstream and are a major obstacle to malaria eradication. To experimentally assess the impact of a partially protective pre-erythrocytic vaccine on reducing Plasmodium vivax relapses, we developed a liver-humanized mouse model that allows monitoring of relapses directly in the blood. We passively infused these mice with a suboptimal dose of an antibody that targets the circumsporozoite protein prior to challenge with P. vivax sporozoites.

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