Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) announced today they have begun an evaluation of the safety and immunogenicity of a third dose of the Pfizer-BioNTech COVID-19 vaccine (BNT162b2) to understand the effect of a booster on immunity against COVID-19 caused by the circulating and potential newly emerging SARS-CoV-2 variants.

Sanofi and GlaxoSmithKline (GSK) announced the initiation of a new Phase 2 study with 720 volunteers aged 18 and over to select the most appropriate antigen dosage for Phase 3 evaluation of their adjuvanted recombinant protein COVID-19 vaccine candidate.

Sanofi has entered into an agreement with Janssen Pharmaceutical NV and Janssen Pharmaceuticals, Inc., two of the Janssen Pharmaceutical Companies of Johnson & Johnson, under which Sanofi will support manufacturing of Janssen's COVID-19 vaccine in order to address the COVID-19 pandemic and supply needs. Janssen has submitted an application to the U.S. Food and Drug Administration (FDA) requesting Emergency Use Authorization for its single-dose Janssen COVID-19 vaccine candidate and an application for conditional marketing authorisation to the European Medicines Agency.

Johnson & Johnson (NYSE: JNJ) (the Company) announced that Janssen-Cilag International N.V. has submitted for Emergency Use Listing (EUL) to the World Health Organization (WHO) for the investigational single-dose Janssen COVID-19 vaccine candidate. The data package delivered includes interim efficacy and safety results from the Phase 3 ENSEMBLE clinical trial.

GlaxoSmithKline plc (LSE/NYSE: GSK) and Vir Biotechnology, Inc. (Nasdaq: VIR) have signed a binding agreement to expand their existing collaboration to include the research and development of new therapies for influenza and other respiratory viruses.

The expanded collaboration, which builds on the agreement signed in 2020 to research and develop therapies for coronaviruses,

Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) announced today that the first participants have been dosed in a global Phase 2/3 study to further evaluate the safety, tolerability, and immunogenicity of the Pfizer-BioNTech COVID-19 vaccine (BNT162b2) in preventing COVID-19 in healthy pregnant women 18 years of age and older.

Moderna, Inc. (Nasdaq: MRNA), a biotechnology company pioneering messenger RNA (mRNA) therapeutics and vaccines, today announced that the European Commission purchased an additional 150 million doses of the COVID-19 Vaccine Moderna, which are scheduled to be delivered in the third and fourth quarter of 2021.