HAVCR2 and coinfection: To assess whether the infective Plasmodium species affected TIM3 expression, we compared the frequency of TIM3+ γδ T cells between children who were infected with P. vivax or P. falciparum at enrollment or had a co-infection of P. vivax, P falciparum, P. ovale, or P. malariae with a minimum of two species present.