Irish Covid patients being treated in intensive care are to start receiving the drug ivermectin as part of an international clinical trial.
Ivermectin is an anti-parasitic drug that has been controversially promoted by some as a cure for the disease.
In 2015, Donegal scientist Professor William Campbell shared the Nobel Prize in Physiology or Medicine for his role in the discovery of ivermectin.
Launched in the 1980s as a drug against parasites, it was crucial in treating river blindness in many tropical countries.
Ivermectin is used in various animal medicines including ones for roundworms, mites and lice in sheep and cows.
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