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Contract Tracing Problems: People Increasingly, ‘Have No Idea’ how they contracted COVID-19.
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... As the coronavirus soars across the country, smashing daily records and surpassing nine million cases nationwide, tracing the path of the pandemic in the United States is no longer simply challenging. It has become nearly impossible.
Gone are the days when Americans could easily understand the virus by tracking rising case numbers back to discrete sources — the crowded factory, the troubled nursing home, the rowdy bar. Now, there are so many cases, in so many places, that many people are coming to a frightening conclusion: They have no idea where the virus is spreading.
“It’s just kind of everywhere,” said Crystal Watson, a senior scholar at the Center for Health Security at the Johns Hopkins Bloomberg School of Public Health, who estimated that tracing coronavirus cases becomes difficult once the virus spreads to more than 10 cases per 100,000 people.
In some of the hardest-hit spots in the United States, the virus is spreading at 10 to 20 times that rate, and even health officials have all but given up trying to figure out who is giving the virus to whom. ...
There have been periods earlier in the pandemic when infections spread beyond large, well-understood clusters in prisons, business meetings and dinner parties, tearing through communities in ways that were nearly impossible to keep track of. But for the most part, that experience was isolated to hard-hit places like New York City in the spring and portions of the Sun Belt in the summer.
This time, the diffuse, chaotic spread is happening in many places at once. Infections are rising in 41 states, the country is recording an average of more than 79,000 new cases each day, and more Americans say they feel left to do their own lonely detective work. ...
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