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A comment on Nearly a third of blood samples taken in Chelsea show exposure to coronavirus. Parent comment

Re:Nearly a third of blood samples taken in Chelsea show exp... by majormajor on Monday April 20, 2020 @06:38PM (#22929594)
This doesn't seem that random - it is sampling from people on the street. So it's going to miss people who aren't going out onto the street. And people who are going out are more likely to catch something than those who aren't.
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Re:Nearly a third of blood samples taken in Chelsea show exp... by Exmoor on Monday April 20, 2020 @07:28PM (#22930063)
The previous tests I'd seen (I hadn't read about the Los Angeles test results posted today yet) had been fairly extremely not random. For example the homeless shelter in Massachusetts and pregnant women in New York. That's why I used the phrase "remotely resembling random."
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