A health worker uses a swab to collect a sample for coronavirus testing. Photo: AFP
Abela Mahimbo
Opinion

Opinion

Abela Mahimbo

Why do some people with coronavirus get symptoms while others don’t?

  • Some studies have indicated people with Covid-19 tend to have a high viral load just before and shortly after they start getting symptoms
  • This suggests they can transmit it when they first get sick and up to 48 hours before, while they’re pre-symptomatic
A health worker uses a swab to collect a sample for coronavirus testing. Photo: AFP
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