Merck starts recruitment for Covid-19 vaccine human trial

US drugmaker Merck & Co Inc has begun recruiting participants to its early-stage Covid-19 vaccine study, according to the government database clinicaltrials.gov.

The study is based in Belgium and aims to recruit 260 participants. The WSJ first reported the news.

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Earlier this month, Chief Executive Officer Kenneth Frazier had said the company aims to start human trials on one of its Covid-19 vaccine candidates "fairly soon," with a second vaccine candidate likely to begin trials later this year.