Scientists have revealed how a parasite that affects millions of people every year evades our immune defenses.

Entamoeba histolytica is a particularly tenacious parasite. The single-celled amoeba generally arrives in the colon after ...

The single-celled parasite Entamoeba histolytica infects 50 million people each year, killing nearly 70,000. Usually, this wily, shape-shifting amoeba causes nothing worse than diarrhea.

The single-celled parasite Entamoeba histolytica infects 50 million people each year, killing nearly 70,000. Usually, this ...

We all recall the revelation last year that the ocean’s rebellious teenagers, orcas, have started wearing salmon on their he ...

Parasites and worms are common infections of the digestive system and are characterized by indigestion, abdominal bloating, ...

The single-celled parasite Entamoeba histolytica infects 50 million people each year, killing nearly 70,000. Usually, this wily, shape-shifting amoeba causes nothing worse than diarrhea.