PRESIDENT BIDEN GOT HIS BIVALENT COVID-19 BOOSTER. WHAT ABOUT THE REST OF THE WORLD?
The Launch and Scale Speedometer blog series. October 28, 2022 By Katharine Olson and Wenhui Mao Vaccines have played a large role in the global COVID-19 response and saved numerous lives. However, when highly transmissible variants such as Omicron (BA.1) appeared and quickly dominated the reported cases, the effectiveness of vaccinations was noticeably waning. The first U.S. case of BA.1 was reported December 1st, 2021, and by January 8th, 2022 it comprised 95% of new cases. In the last week of January 2022, confirmed new cases worldwide hit 23 million which is in stark contrast to previous highs of 5 million new cases a week. At the start of the BA.1 wave in late 2021, the primary vaccination series was only 44% effective at preventing infection and hospitalization. This prompted the push globally to administer booster…