STAT May 15, 2020
Contact tracing armies in California and New Jersey. Rapid-response contact tracing in Washington. Track and trace in Connecticut. Across the country, governors are putting contact tracing — the tried-and-true public health practice of finding individuals who were in contact someone with an infectious disease — front and center in their Covid-19 reopening strategies.
This is excellent news. Contact tracing, paired with widespread testing, is an essential component of the toolbox for containing a disease outbreak. This is especially true for a disease like Covid-19, which can be spread by people who have no symptoms. Robust contact tracing is one of the reasons why Germany, South Korea, and China have so far fared better than the U.S. in the Covid-19 pandemic.
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