Huludao and Suzhou have successively discovered the epidemic, the virus gene sequencing has not yet been announced, and the source of the epidemic has not yet been clarified. The recurrence of the epidemic should arouse our attention, for the cold chain and people who return from foreign countries,

Huludao and Suzhou have successively discovered the epidemic, the virus gene sequencing has not yet been announced, and the source of the epidemic has not yet been clarified. The recurrence of the epidemic should arouse our attention, and for those who have returned from the cold chain and foreign countries, we cannot relax prevention and control because of small losses. In the event of an epidemic, traceability and containment should be carried out quickly, the scope of the epidemic should be controlled to a minimum extent, and zero should be achieved as soon as possible.