Graffiti in San Francisco, California, encouraging the wearing of masks. On Tuesday, it was announced that two residents of Santa Clara County, just south of the city, had died of the coronavirus weeks before the deaths previously believed to have been the first in the US. Photo: Getty Images via AFP

Coronavirus: Covid-19 was in US earlier than first thought. Here’s why that’s important to know

  • February deaths in California upend what experts thought they knew about the virus’s spread in US
  • Antibody tests indicate a much greater incidence of infection, and possible recovery – information vital to help decide next steps to take
Topic |   Coronavirus pandemic
Graffiti in San Francisco, California, encouraging the wearing of masks. On Tuesday, it was announced that two residents of Santa Clara County, just south of the city, had died of the coronavirus weeks before the deaths previously believed to have been the first in the US. Photo: Getty Images via AFP
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