World Health Organization

Data was withheld from World Health Organization investigators who travelled to China to research the origins of the coronavirus epidemic, WHO Director-General Tedros Adhanom Ghebreyesus said on March 30.

Leaders of 23 countries and the World Health Organization on March 30 backed an idea to create an international treaty that would help deal with future health emergencies like the coronavirus pandemic by tightening rules on sharing information.

A joint WHO-China study on the origins of Covid-19 says the virus was probably transmitted from bats to humans through another animal, and that a lab leak was “extremely unlikely” as a cause, the Associated Press reported on March 29.

Despite a high-profile visit to China by a team of international experts in January, the world is no closer to knowing the origins of Covid-19, according to one of the authors of an open letter calling for a new investigation into the pandemic.

The U.S. Food and Drug Administration issued new guidance for vaccine makers as the regulatory agency is preparing for the possibility of needing to approve Covid-19 booster shots against variants of the SARS-CoV-2 virus.

Novavax announced a Memorandum of Understanding (MOU) with Gavi, the Vaccine Alliance, to provide 1.1 billion doses of the company’s Covid-19 vaccine candidate NVX-CoV2373 for the COVAX Facility.

China called on the United States on Feb. 10 to invite the World Health Organization to investigate origins of the Covid-19 outbreak there, as sparring over the pandemic continued after the WHO wrapped up its field work in the Chinese city of Wuhan.

The head of a World Health Organization-led team probing the origins of Covid-19 said bats remain a likely source and that transmission of the virus via frozen food is a possibility that warrants further investigation, but he ruled out a lab leak.

A member of the World Health Organization-led team visiting the central Chinese city of Wuhan said he was surprised by the complexity of getting to the origins of the Covid-19 pandemic and that years of research lay ahead.

Global coronavirus cases surpassed 100 million on Jan. 27, according to a Reuters tally, as countries around the world struggle with new virus variants and vaccine shortfalls.