Sentences with phrase «ineffective against the parasite»

Strains of drug - resistant tuberculosis are on the rise in Eastern Europe and Central Asia, and malaria has roared back as one drug after another has become ineffective against the parasite.

Not exact matches

At a recent conference, antimalaria crusader Bill Gates explained why researchers must continually renew their arsenal of weapons against the disease: «The parasite evolves and the mosquito evolves, so every tool we've ever had in the past has eventually become ineffective.»