Pfizer Inc. began testing fully vaccinated adults over 65 in a new study that uses the company’s 20-valent pneumococcal conjugate.

Pfizer Inc., Merck & Co. Inc., Roche Holding AG, and other companies are racing to produce the first antiviral pill that people could take at early signs of Covid-19. Their shared goal: filling a key treatment hole by helping people recently infected with the novel coronavirus to avoid becoming seriously ill and needing hospitalization.

Kids in the United States will likely be able to get Covid-19 vaccinations by the end of 2021 or the first quarter of 2022, Dr. Anthony Fauci, the nation’s top infectious disease expert, said at an event on May 19.

The Covid-19 epidemic highlighted the disproportionate way the virus impacted minority communities across the U.S., increasing the calls for racial and ethnic diversity in clinical studies. While there has been a more significant push, a recent Pfizer clinical trials diversity report shows there is still a wide gap that needs to be bridged.

Covid-19 vaccine developers are making ever bolder assertions that the world will need yearly booster shots, or new vaccines to tackle concerning coronavirus variants, but some scientists question when, or whether, such shots will be needed.

U.S. states are set to begin using the vaccine from Pfizer Inc. and BioNTech SE to inoculate young adolescents against Covid-19 after advisers to the U.S. Centers for Disease Control and Prevention (CDC) backed the plan in a unanimous vote on May 12.

Advisors to the U.S. Centers for Disease Control and Prevention (CDC) will meet on May 12 to discuss recommendations for the use of Pfizer and partner BioNTech’s Covid-19 vaccine in children aged 12 to 15.

Samsung BioLogics Co. Ltd. and Pfizer Inc. on May 12 denied a report that they were working together to produce in South Korea a Covid-19 vaccine developed by the U.S. drugmaker.

U.S. regulators on May 10 authorized Pfizer and BioNTech’s Covid-19 vaccine for use in children as young as 12 years and said they could begin receiving shots as soon as May 11, widening the country’s inoculation program as vaccination rates have slowed significantly.

Pfizer Inc. and the company’s German partner BioNTech SE said on May 6 they would donate doses of their Covid-19 vaccine to help vaccinate athletes and their delegations participating in the Tokyo Olympic and Paralympic Games.