Covid-19 has killed more than 6.8 million people globally over the past three years. Photo: Shutterstock
Merck’s Covid-19 drug linked to new virus mutations, study says
- So far, the drug-linked mutations of the virus haven’t been shown to be more immune-evasive or lethal
- Merck disputes the view that its drug is causing problematic variants, says drug is ‘valuable’
Covid-19 has killed more than 6.8 million people globally over the past three years. Photo: Shutterstock