https://en.wikipedia.org/wiki/Babesiosis

"Babesiosis is a malaria-like parasitic disease caused by infection with the eukaryotic parasite Babesia, an alveolate in the phylum Apicomplexa."

A https://en.wikipedia.org/wiki/Malaria like disease ... like #Malaria, #Babesiosis can be treated with https://en.wikipedia.org/wiki/Quinine .

"Quinine is an alkaloid, a naturally occurring chemical compound. How it works as a medicine is not entirely clear."