Medical institutions across China are gearing up for a potential surge in COVID-19 cases during and after the Spring Festival travel rush. The rural primary healthcare system is taking advantage of the three-tier county-township-village healthcare alliance to ensure better treatment for severely-infected people in those areas. Follow CGTN's reporter Zhao Chenchen to find out how such an alliance works in Changshu, a county-level city under the governance of Suzhou in east China's Jiangsu Province.