The first vaccine against malaria loses its effectiveness after 4 years of injection
A malaria vaccine in Phase II of a trial showed that after 4 years of injections, the protection effect against the disease was 0%, according to AFP on March 20.Successfully tested the vaccine against malaria
The researchers said the first results of a vaccine against malaria showed that the drug halved the risk of disease in African children between 5 and 17 months of age.