U.S. Officials Press Pfizer for More Evidence of Need for Booster Shot After meeting with company representatives, officials said the decision would depend partly on data on infections in vaccinated people that cause serious disease or hospitalization. A man receiving a third dose of the Pfizer-BioNTech coronavirus vaccine in Israel on Monday. Some experts say Israel’s move could foreshadow a U.S. decision to at least recommend booster shots for the vulnerable.Credit...Jack Guez/Agence France-Presse — Getty Images July 12, 2021 Representatives of Pfizer met privately with senior U.S. scientists and regulators on Monday to press their case for swift authorization of coronavirus booster vaccines, amid growing public confusion about whether they will be needed and pushback from federal health officials who say the extra doses are not necessary now.