建议采取以下措施：加强冷链管理，保证疫苗质量，优化接种现场环境；
Some strategies recommend as follows, At first, it is important to strengthen cold chain to management, to guarantee vaccine quality, and to improve the inoculation environment.
建议采取以下措施：加强冷链管理，保证疫苗质量，优化接种现场环境；
Some strategies recommend as follows, At first, it is important to strengthen cold chain to management, to guarantee vaccine quality, and to improve the inoculation environment.
应用推荐