Two new studies reveal that although COVID-19 vaccine hesitancy has declined in the United States, 35.2% of adults 18 to 39 years and 8.7% of those 65 and older still said they would not partake as of March 2021 and November 2020, respectively.Trust rises in Black, Hispanic respondentsUK researchers leading the first study, published yesterday in JAMA, sent online questionnaires to participants in the Understanding America Study every 14 to 28 days from Oct 14, 2020, to Mar 29, 2021.A total of 7,420 participants completed 42,154 questionnaires that asked how likely they were to receive a COVID-19 vaccine and how much they trusted "the governmental approval process to ensure the COVID-19 vaccine is safe for the public" and "the process in