Researchers are trying to determine what sort of mosquito is transmitting the parasite to penguins.
As parasites develop resistance to drugs, researchers often tweak them slightly to make them harder for the parasite to fight.
His dissection of countless mosquito stomachs and thoraxes was instrumental in tracing a malaria-causing parasite to the mosquito's salivary gland.
"But if we think this is a hardened individual or hardened criminal who makes his living as a parasite to others, well we will have no conscience.
Soon, that mosquito – now carrying malaria parasites and buzzing around the same area – bites the girl's father, passing the parasite to him.
A week later, a non-infected mosquito feeds on the same child, yet this time, it is the girl who passes the parasite to the mosquito.
Elsewhere, elimination fell foul of the problem that has bedevilled all malaria control efforts: resistance of the malaria parasite to drugs and of the mosquitoes to pesticides.
Is it to prevent the mosquito from transferring the parasite to people, or to treat the person who has the parasite in their blood?
The gammarid's odd swimming behavior allows the parasite to take the next step in its life cycle.
This change makes the males more attractive to females, and when they mate the males spread the parasite to females.
Reports have shown that the resistance of the parasite to existing drugs is increasing.
