Some countries in the European Union have temporarily suspended use of the AstraZeneca COVID-19 vaccine as a precautionary measure based on reports of rare blood coagulation disorders in persons who had received the vaccine. Other countries in the EU - having considered the same information - have decided to continue using the vaccine in their immunization programmes.

Moderna, Inc. (Nasdaq: MRNA), a biotechnology company pioneering messenger RNA (mRNA) therapeutics and vaccines, today announced that the first participants have been dosed in the Phase 1 study of mRNA-1283, the Company's next generation COVID-19 vaccine candidate.

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.

Moderna, Inc., (Nasdaq: MRNA) a biotechnology company pioneering messenger RNA (mRNA) therapeutics and vaccines, announced that the U.S. government has purchased an additional 100 million doses of Moderna's COVID-19 Vaccine, bringing its confirmed order commitment to 300 million doses.

CureVac N.V. (Nasdaq: CVAC), a global biopharmaceutical company developing a new class of transformative medicines based on messenger ribonucleic acid (mRNA), today announced initiation of a rolling submission with the European Medicines Agency (EMA) for CVnCoV, the company's mRNA-based COVID-19 vaccine candidate, currently in late-stage clinical testing.

Sinovac Biotech Ltd. (NASDAQ:SVA) ("Sinovac" or the "Company"), a leading provider of biopharmaceutical products in China, announced that the China National Medical Products Administration (NMPA) has granted a conditional marketing authorization (CMA) to Sinovac for CoronaVac, Sinovac’s COVID-19 vaccine in individuals aged 18 and above.

Pfizer Inc. (NYSE: PFE) and BioNTech SE (Nasdaq: BNTX) today announced the publication in Nature Medicine of data from in vitro studies that demonstrate that sera from individuals vaccinated with the Pfizer-BioNTech COVID-19 vaccine neutralize SARS-CoV-2 with key mutations present in the United Kingdom (U.K.) and South African variants.