Dutch researchers preparing for ‘human challenge’ COVID-19 vaccine trial

Researchers at the Leiden University Medical Center in the Netherlands are preparing for a potential “human challenge” trial in which volunteers are deliberately infected with the new coronavirus to test the effectiveness of vaccine candidates, advocacy group 1Day Sooner said on Wednesday.  More...

Chinese expert call for COVID circuit-breaker amid cases related to frozen food imports

China has seen a continuous rise in cases of contaminated frozen food from overseas and patients of coronavirus infections related to the import industry, which prompted Chinese health experts to suggest an expanded testing scale and a circuit-breaker mechanism for imports like that for international flights.  More...