Support WBURWhy A Push For Boosters Could Make The Pandemic Even WorsePlay03:15Download AudioMichaeleen DoucleffAugust 18, 2021 SharePeople line up last week to receive COVID-19 vaccines in Kampala, Uganda, after weeks of no supply. In Uganda, only 2.2% of the population had received one dose of a vaccine as of Aug. 15. (Xinhua News Agency via Getty Images)
