British Prime Minister Boris Johnson said Wednesday's record deaths from COVID-19 are "appalling" and the death toll is likely to keep rising in the next few weeks because of the spread of a new,...

Rapid lateral flow tests will likely identify the most infectious COVID-19 cases with higher viral loads despite concerns over the overall sensitivity of the tests, Oxford University researchers said...

The U.S. Chamber of Commerce said Wednesday it "strongly supports" a plan by President Joe Biden to require masks and physical distancing in all federal buildings, on all federal lands, and by...

A third pandemic lockdown appears to be having little impact on rates of COVID-19 in England, researchers warned on Thursday, with prevalence of the disease "very high" and "no evidence of decline"...

Larger trials are needed to assess whether Roche's arthritis drug tocilizumab can cut death rates among the sickest COVID-19 patients, scientists said on Wednesday, after a small study found it was...

Amazon.com Inc on Wednesday offered to help with the United States' efforts involving the COVID-19 vaccine, according to a letter addressed to President Joe Biden, seen by Reuters.

Pfizer Inc is facing criticism, and potential legal action, over its surprise move to temporarily delay COVID-19 vaccine shipments to European countries that fear disruptions could throw their...

Daily coronavirus cases in Portugal rose 40% on Wednesday from the day before to a record 14,647, with the national health system (SNS) on the verge of collapse and the government pondering tougher...

Merck KGaA's drug development programme has suffered a setback with its most important experimental drug, cancer treatment bintrafusp alfa, failing early in its lead trial.

Chinese state media outlets have run a series of articles criticising Western COVID-19 vaccines in the past week, including Pfizer's, while touting China-made vaccines as safer and more accessible.

The new COVID-19 variant identified in South Africa can evade the antibodies that attack it in treatments using blood plasma from previously recovered patients, and may reduce the efficacy of the...

Chile's health regulator approved the emergency roll-out of the COVID-19 vaccine manufactured by China's Sinovac Biotech Ltd on Wednesday but stipulated that it should not be used for the higher-risk...

Russia's sovereign wealth fund RDIF has filed for registration of the Sputnik V COVID-19 vaccine in the European Union and expects it to be reviewed in February, as Moscow seeks to speed up its...

President Joe Biden will attempt to jump-start the federal government's response to the coronavirus pandemic with a string of immediate executive orders on Wednesday after his inauguration to lead a...

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.

The COVID-19 vaccine developed by Pfizer and BioNTech is likely to protect against a more infectious variant of the virus discovered in Britain which has spread around the world, according to results...

The World Health Organization (WHO) said on Wednesday that three COVID-19 vaccines were in the late stages of review for possible emergency use listing, in addition to the one made by Pfizer and...

British Prime Minister Boris Johnson said Wednesday's record deaths from COVID-19 are "appalling" and the death toll is likely to keep rising in the next few weeks because of the spread of a new,...

The World Health Organization (WHO) plans to approve several COVID-19 vaccines from Western and Chinese manufacturers in the coming weeks and months, an internal document seen by Reuters shows, as it...