An American biotechnology company announces interim positive results of a COVID-19 vaccine.

An antioxidant enzyme is found as a potential COVID-19 treatment.

Celltrion announced positive preliminary results from Phase 1 clinical trial.

American biotechnology company Moderna’s experimental coronavirus vaccine has shown to be safe and effective at provoking immune responses in an early-stage study.

A newly published study on the prevalence of the novel coronavirus in Spain found that only 5% of the country’s population has developed antibodies, providing proof that herd immunity to COVID-19 may not be achieved.

Volunteers have begun participating in Brazil’s first clinical trial of Oxford COVID-19 vaccine. The ChAdOx1 vaccine technology is based on an adenovirus, and it is considered very safe, even in people with a weak immune system. The vaccine being used…