SouthAussie
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While the country was still looking outward, researchers now believe the earliest infections in many states came mostly from travel within the U.S.
Jan. 25, 2020
By now the virus was likely spreading to 10 new people every day in California, according to estimates from researchers at Northeastern University’s Network Science Institute.
Feb. 3, 2020
The disease was taking root in New York. Later genetic analysis shows that by this date at least seven distinct strains could have arrived in New York City, mostly from Europe and the U.S.
Feb. 6, 2020
A 57-year-old woman died in Santa Clara County, Calif. Later tests found she had the coronavirus, making her the first known U.S. Covid-19 death. It’s still not known how she caught the virus.
Feb. 17, 2020
U.S. testing had largely stopped earlier this month due to problems with test kits. Odds were good the virus had taken hold in as many as 15 states, Northeastern researchers found.
Feb. 21, 2020
By now it was more likely than not that local transmission of the virus was underway in 24 states.
Coronavirus Hit the U.S. Long Before We Knew
Jan. 25, 2020
By now the virus was likely spreading to 10 new people every day in California, according to estimates from researchers at Northeastern University’s Network Science Institute.
Feb. 3, 2020
The disease was taking root in New York. Later genetic analysis shows that by this date at least seven distinct strains could have arrived in New York City, mostly from Europe and the U.S.
Feb. 6, 2020
A 57-year-old woman died in Santa Clara County, Calif. Later tests found she had the coronavirus, making her the first known U.S. Covid-19 death. It’s still not known how she caught the virus.
Feb. 17, 2020
U.S. testing had largely stopped earlier this month due to problems with test kits. Odds were good the virus had taken hold in as many as 15 states, Northeastern researchers found.
Feb. 21, 2020
By now it was more likely than not that local transmission of the virus was underway in 24 states.
Coronavirus Hit the U.S. Long Before We Knew