President Joe Biden, who for months used techniques like public service announcements and grassroots campaigns to persuade Americans to get vaccinated, is adopting a tougher approach as caseloads surge: vaccine requirements and blame.
원문출처 : https://www.cnn.com/2021/07/29/politics/biden-pandemic-unvaccinated/index.html
원문출처 : https://www.cnn.com/2021/07/29/politics/biden-pandemic-unvaccinated/index.html