Merck & Co. will help make rival Johnson & Johnson’s Covid-19 vaccine in order to boost the slower-than-promised production of the one-dose shot, U.S. President Joe Biden said on March 2.

A bomb squad was called to a facility in the United Kingdom where doses of AstraZeneca’s Covid-19 vaccine are manufactured.

The first injections of Moderna’s Covid-19 vaccine started to be administered on Dec. 21 after the U.S. Food and Drug Administration granted Emergency Use Authorization (EUA) on Dec. 18.

U.S. distribution of Moderna Inc’s Covid-19 vaccine began on Dec. 19, with more than 3,700 sites due to start receiving and administering shots as soon as Dec. 21, vastly widening the rollout started by Pfizer Inc.

Thermo Fisher Scientific is significantly expanding the company’s footprint with new facilities in the United States and in Europe.

The chief executive of Germany’s BioNTech SE said the biggest challenge facing the company and partner Pfizer Inc. now that their Covid-19 vaccine is authorized for use in the United States will be to scale up manufacturing to meet huge demand.

Bristol Myers Squibb said the U.S. health regulator deferred a decision on an experimental blood cancer therapy that the company acquired in the $74 billion buyout of Celgene due to coronavirus-related travel restrictions.

The U.S. Food and Drug Administration issued a Complete Response Letter (CRL) for Sanofi’s blood cancer treatment sutimlimab.

Shortages of flu shots this year are not related to drugmakers ramping up production of potential Covid-19 vaccines, the head of vaccines at GlaxoSmithKline (GSK) said.

UCB is investing more than £1 billion ($1.29 billion) over five years to expand the company’s research and development capabilities in the U.K., which will include a transition to a newly acquired 47-acre R&D campus from Eli Lilly located in Windlesham, Surrey.