Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) announced the execution of an agreement with the U.S. Department of Health and Human Services and the Department of Defense to meet the U.S. government's Operation Warp Speed program goal to begin delivering 300 million doses of a vaccine for COVID-19 in 2021.

Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) announced an agreement with the United Kingdom to supply 30 million doses of their BNT162 mRNA-based vaccine candidate against SARS-CoV-2, currently in development, subject to clinical success and regulatory approval. Financial details of the agreement were not disclosed, but the terms were based on the timing of delivery and the volume of doses.

GlaxoSmithKline plc (LSE/NYSE: GSK) and CureVac announced the signing of a strategic collaboration agreement for the research, development, manufacturing and commercialisation of up to five mRNA-based vaccines and monoclonal antibodies (mAbs) targeting infectious disease pathogens. The collaboration complements GSK's existing mRNA capabilities with CureVac’s integrated mRNA platform.

Interim results from the ongoing Phase I/II COV001 trial, led by Oxford University, showed AZD1222 was tolerated and generated robust immune responses against the SARS-CoV-2 virus in all evaluated participants.

COV001 is a blinded, multi-centre, randomised controlled Phase I/II trial with 1,077 healthy adult participants, aged 18-55 years. It assessed a single dose of AZD1222 against a comparator meningococcal conjugate vaccine, MenACWY.

Novartis announced a new initiative to help patients in low-income and lower-middle-income countries (LIC; LMIC) access affordable medicines to treat the major symptoms of COVID-19 - a critical need in the absence of a vaccine or curative treatment. Inflammation and respiratory problems linked to COVID-19 can cause severe medical complications and can lead to death in some people, putting immense strain on fragile healthcare systems.

Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX, "BioNTech") announced that two of the companies' four investigational vaccine candidates from their BNT162 mRNA-based vaccine program (BNT162b1 and BNT162b2) being developed to help protect against SARS-CoV-2 (the virus that causes COVID-19), received Fast Track designation from the U.S. Food and Drug Administration (FDA).

Sanofi and Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) announced that the U.S. Phase 3 trial of Kevzara® (sarilumab) 400 mg in COVID-19 patients requiring mechanical ventilation did not meet its primary and key secondary endpoints when Kevzara was added to best supportive care compared to best supportive care alone (placebo).