US children under 5 are getting closer to authorized Covid-19 vaccines, but most parents may be reluctant to actually get them when they become available, a new survey found.
원문출처 : https://www.cnn.com/2022/05/04/health/kff-vaccine-monitor-survey/index.html
원문출처 : https://www.cnn.com/2022/05/04/health/kff-vaccine-monitor-survey/index.html