Of the 50 blood samples submitted, more than 20 percent came back positive or bordering positive for liver fluke antibodies ... rarely found in Americans, the parasites infect an estimated ...

Every year, nearly 250 million people are infected with these blood flukes, making them one of the most prevalent parasites ...

The fossilized feces contained four species of parasitic worms: the roundworm (Ascaris lumbricoides), the whipworm (Trichuris trichiura), the tapeworm (Taenia sp.), and the Chinese liver fluke ...

Resistance to triclabendazole, the only active to kill all ages of fluke, means more flockmasters are reaching for the antiparasitic drug closantel, which two industry-leading groups warn must be done ...

there are parasites in form of worm species which are a challenge to the livestock sector- causing economic losses. These include blood sucking leeches and liver fluke worms which are a challenge ...

The risk of parasites is said to be 'hugely ... of this season’s lambs as sentinels and checking blood samples at intervals throughout the season. He said: "Once the sentinel lambs have shown fluke is ...