Study estimates 24 states still have uncontrolled coronavirus spread
It is a snapshot of a transitional moment in the pandemic and captures the patchwork nature across the country of covid-19, the disease caused by the virus. Some states have had little viral spread or “crushed the curve” to a great degree and have some wiggle room to reopen their economies without generating a new epidemic-level surge in cases. Others are nowhere near containing the virus.
The model shows potentially ominous scenarios if people move around as they did previously and do so without taking precautions. In California and Florida, the death rate could spike to roughly 1,000 deaths a day by July without efforts to mitigate the spread, according to the report.
The Imperial College researchers estimated the virus’s reproduction number, known as R0, or R naught. This is the average number of infections generated by each infected person in a vulnerable population. The researchers found the reproduction number has dropped below 1 in 26 states and the District. In those places, as of May 17, the epidemic was waning.
When the R naught is below 1, it means the virus is hitting a lot of dead ends as it infects people. Someone who is infected but who follows social distancing rules or stays quarantined until recovering has a good chance of not infecting anyone else. The challenge is finding a way to reopen the economy with sufficient care to prevent the reproduction number from going over 1.
This has become a geographically complex pandemic, one that will evolve, especially as people ...
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