UK regulators stated that they received two reports of potential allergic reactions linked to the Covid-19 vaccine from Pfizer and BioNTech, according to the Associated Press.

U.S. coronavirus cases crossed the 15 million mark on Dec. 8 as regulators moved a step closer to approving a Covid-19 vaccine and Britain started inoculating people, offering hope of slowing a pandemic that killed 15,000 Americans in the previous week.

A 90-year-old grandmother became the world’s first person to receive a fully tested Covid-19 shot on Dec. 8, as Britain began mass-vaccinating its people in a global drive that poses one of the biggest logistical challenges in peacetime history.

Airlines battered by Covid-19 are prepping for key roles in the mass vaccine rollout that promises to unlock an immediate boost for the sector – and beyond that, its own recovery and survival.

U.S. infectious disease expert Anthony Fauci said he was reacting to gloating by a British television interviewer when he criticized the country’s quick approval of the first coronavirus vaccine.

AstraZeneca is likely to run an additional global trial to assess the efficacy of the company’s Covid-19 vaccine using a lower dosage, the British drugmaker’s chief executive was quoted as saying amid questions over the results of a late-stage study.

It took Oxford University’s brightest minds decades of work to give them the expertise to develop a Covid-19 vaccine.

AstraZeneca started late-stage trials of an experimental long-acting monoclonal antibody combination drug the company hopes could be used as a so-called prophylactic to prevent Covid-19 infection in at-risk people for up to 12 months.

People who have had Covid-19 are highly unlikely to contract the disease again for at least six months after their first infection, according to a British study of healthcare workers on the frontline of the fight against the coronavirus pandemic.

The number of reported global daily deaths from the coronavirus reached 10,816 on Nov. 17, according to a Reuters tally, the highest single-day death count as the virus’ global epicenter the United States entered winter.