India gave emergency use authorization for a Covid-19 antibody drug cocktail developed by Roche and Regeneron, expanding the company’s arsenal of drugs to battle a massive second wave of infections. The decision was taken based on data filed with the U.S. regulators and the scientific opinion of a European regulatory panel, Roche’s India distribution partner for the drug, Cipla, said on May 5.

Several states in India ran out of vaccines against Covid-19, exacerbating a dire second wave of infections that has left hospitals and morgues overflowing while families scramble for increasingly scarce medicines and oxygen.

The European Medicines Agency will conduct an accelerated review of Eli Lilly and Co.’s rheumatoid arthritis drug Olumiant for hospitalized Covid-19 patients getting oxygen, the EU agency said on April 29, as the search for treatment options continues.

New cases of Covid-19 in the United States fell 16 percent in the week ended April 25 to about 409,000, the largest percentage drop in weekly new cases since February, according to a Reuters analysis of state and county data.

The U.S. Centers for Disease Control and Prevention (CDC) is investigating the death of an Oregon woman and the hospitalization of another in Texas after receiving Johnson & Johnson’s Covid-19 vaccine, state health officials said.

New cases of Covid-19 in the United States fell 0.4 percent during the week ended April 18 after rising for four weeks in a row, according to a Reuters analysis of state and county data.

A U.S. panel will meet again next week to discuss whether the pause on the use of Johnson & Johnson’s Covid-19 vaccine should continue, after delaying a vote on the matter earlier this week.

A new study by researchers at the University College London (UCL) published in Lancet Infectious Diseases finds that although the U.K. variant of SARS-CoV-2 known as B.1.1.7 is more transmissible than the wild-type, original Wuhan strain, it is likely not more deadly.

Eli Lilly requested cancellation of the U.S. authorization granted to the company’s Covid-19 antibody bamlanivimab, which will now be used in combination with another to achieve greater efficacy against emerging virus variants.

The United States is preparing for the possibility that a booster shot will be needed between nine to 12 months after people are initially vaccinated against Covid-19, a White House official said on April 15.