The United States entered an agreement with drugmaker Moderna Inc. to acquire 100 million doses of the company’s potential COVID-19 vaccine for around $1.5 billion, the company and White House said.

GlaxoSmithKline and Sanofi struck a $2.1 billion deal with the U.S. government’s Operation Warp Speed program to supply an initial 100 million doses of a Covid-19 vaccine candidate under development by the two companies.

U.S. deaths from the novel coronavirus surpassed 150,000, a number higher than in any other country and nearly a quarter of the world’s total, according to a Reuters tally.

Synairgen shares exploded after the announcement of positive results from a clinical trial of the UK-based biotech company’s wholly owned inhaled formulation of interferon beta in Covid-19 patients.

Phase I data from the Covid-19 vaccine under development by AstraZeneca and Oxford University’s Jenner Institute is showing a robust defense against the novel coronavirus that has infected more than 13 million people across the globe.

Gargling salt water is a time-tested way to alleviate sore-throat pain. As a nasal lavage, it can help clear stuffy sinuses associated with colds and allergies. But, is gargling salt water effective against the symptoms of COVID-19?

Many studies assessing the accuracy of COVID-19 antibody tests had major shortcomings, a review concluded, offering further evidence the blood tests are of little use for people seeking to know with certainty if they have been infected.

Shares of Evelo Biosciences were up more than 25 percent after the company announced the investigational asset EDP1815 will be included in the Phase II/III TACTIC-E COVID-19-focused clinical trial for conducted by Cambridge University Hospitals NHS Foundation Trust.

Greater Than One announced the opening of a new office in London, known as GTO Global, to bolster the company’s partnerships with marketers in the region.

AstraZeneca announced plans to manufacture 2 billion doses of the University of Oxford’s COVID-19 vaccine, AZD122.