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UPDATE 2-U.S. preparing for 1-year COVID-19 booster shots; Pfizer chief sees need Reuters 8 hrs ago (Adds Pfizer CEO comment from CNBC report) April 15 (Reuters) - The United States is preparing for the possibility that a booster shot will be needed between nine to 12 months after people are initially vaccinated against COVID-19, a White House official said on Thursday. While the duration of immunity after vaccination is being studied, booster vaccines could be needed, David Kessler, chief science officer for President Joe Biden's COVID-19 response task force told a congressional committee ...

Julie Steenhuysen, Michael Erman (Adds Pfizer interview, trial details) CHICAGO, Feb 18 (Reuters) - Pfizer Inc and BioNTech SE have started an international study with 4,000 volunteers to evaluate the safety and effectiveness of their COVID-19 vaccine in healthy pregnant women, the companies said on Thursday. Pregnant women are at higher risk of developing severe COVID-19, and many public health officials have recommended some women in high-risk professions take coronavirus vaccines even without proof they are safe for them. Dr. William Gruber, senior vice president of vaccine clinical resear...

Chancellor Angela Merkel will hold crisis talks with pharmaceutical executives, regional German leaders and European Commission officials Monday in a bid to speed up the continent’s stuttering vaccination push.

South Africa has given fast-track approval to AstraZeneca's COVID-19 vaccine for emergency use and is reviewing applications by rival manufacturers Pfizer and Johnson & Johnson, the medicines regulator said on Wednesday.

HEALTH-CORONAVIRUS/NORWAY (UPDATE 1):UPDATE 1-Norway ready for reduced Pfizer/BioNTech vaccine into Feb