On February 20, the Central Epidemic Command Center (CECC) announced that in order to regularly monitor the changes in seropositivity of SARS-CoV-2 antibodies in Taiwan, the Ministry of Health and Welfare has been requested to designate the Taiwan Blood Services Foundation (Taiwan Blood Foundation) to implement the "SARS-CoV-2 antibody surveillance program." Taiwan Blood Foundation plans to carry out stratified sampling on about 7,000 archive samples of blood donated between January and June this year. Taiwan Blood Foundation will also provide unidentifiable data and 0.5 cc of blood samples from the blood donors to the Taiwan Centers for Disease Control (Taiwan CDC) for SARS-CoV-2 antibody detection and data analysis.

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