People without symptoms spreading Covid-19, study reveals

A health worker wearing a protective gear prepares to disinfect the matatu in which the first Kenyan Covid-19 patient travelled to Ongata Rongai. PHOTO | YASUYOSHI CHIBA | AFP

What you need to know:

  • Researchers from University of Texas found that the germ that causes Covid-19 is most contagious before and during the first week of symptoms.
  • The scientists also found that about 10 per cent of patients are infected by someone who has the virus but does not show symptoms yet.
  • The speed of an epidemic depends on two things — how many people each case infects and how long it takes cases to spread.

Infected people without symptoms might be driving the spread of the Covid-19 coronavirus, a new study has shown.

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