The worldwide coronavirus death toll surpassed 2 million on Jan. 15, according to a Reuters tally, as nations around the world are trying to procure multiple vaccines and detect new Covid-19 variants.

Experts at India’s drugs regulator recommended two coronavirus vaccines for emergency use: one developed by AstraZeneca and Oxford University, and the other backed by a state-run institute.

Countries across the globe shut their borders to Britain on Dec. 21 due to fears about a highly infectious new coronavirus strain, causing travel chaos and raising the prospect of food shortages days before Britain is set to leave the European Union.

Global coronavirus infections surpassed the 75 million mark on Dec. 19, according to a Reuters tally, as several nations around the world begin vaccinating against the virus.

Ten Covid-19 vaccines could be available by the middle of 2021 if they win regulatory approval, but their inventors need patent protection, the head of the global pharmaceutical industry group said.

The global tally of confirmed coronavirus cases hit 60 million on Nov. 25, with the pace of new infections accelerating and the United States reporting record numbers of hospitalizations, according to a Reuters tally.

Using blood plasma from Covid-19 survivors to treat patients with severe pneumonia caused by the novel coronavirus showed little benefit, according to data released from a clinical trial in Argentina.

Global coronavirus infections exceeded 50 million, according to a Reuters tally, with a second wave of the virus in the past 30 days accounting for a quarter of the total.

The United States became the first nation since the pandemic began to surpass 10 million coronavirus infections, according to a Reuters tally, as the third wave of the Covid-19 virus surges across the country.

Researchers called for more research into using blood from recovered Covid-19 patients – or so-called convalescent plasma – as a potential treatment, after a small trial of hospitalized patients in India found it was of no benefit.