(CNN) When San Francisco implemented its shelter-in-place order in mid-March, the coronavirus continued to spread through the city's Hispanic population in parts of the densely populated Mission District, researchers at the University of California, San Francisco reported Thursday. For the first six weeks the ordinance was in place, the virus continued to spread among the low-income Latino population in a crowded 16-block area of the district, they found. They reached almost 4,000 people in the area between April 25 and April 28. Most new infections among Hispanic populationThe study found that 2% of those given a PCR test -- the most accurate type of diagnostic test -- were infected with Covid-19 at the time of the test. Among those who tested positive, infection rates were almost 20 times higher for Hispanic residents than non-Hispanics and 3.5 times higher among immigrant workers than residents in the district.

Source: CNN June 19, 2020 03:00 UTC