For the rest, it should be borne in mind that pregnant women and their unborn children are particularly vulnerable to the disease, that every year there are detected thousands of cases of malaria in travelers in countries where the disease was eliminated, and there is a concern about the use of primaquine in people with a deficiency in glucose-6-phosphate dehydrogenase (G6PD), as it can cause severe hemolysis. The gene discussed is G6PD; the disease is malaria.