Alat tes antigen: the global situation reflects the fallacy of "lying flat". On April 13, the World Health Organization issued a statement after judging the latest epidemic situation, announcing that the new crown pandemic continues to constitute a "public health emergency of international concern".
Alat antigen: update on New Coronavirus pneumonia. From 0:00 to 24:00 on April 19, 31 provinces (autonomous regions and municipalities directly under the central government) and Xinjiang production and Construction Corps reported 2761 new confirmed cases.
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