A new study looked at the long-term effects of the vaccine.
Developing a malaria vaccine is a feat that faces both technical and financial challenges.
Development and deforestation are helping push a once-mellow form of malaria into virulence.
They were eating his insides.
A rare but worrisome occurrence.
A 41-year-old man died from cancerous tumours made of worm tissue on his lungs and liver.
German sculptor Wolfgang Stiller's artwork looks as wicked as it sounds.
Some swear by Helminthic therapy, infesting themselves with parasitic worms to treat autoimmune and inflammatory conditions—except the treatment is far from doctor approved.
Tongue worms have been successfully mooching off their hosts for 425 million years.