Researchers detected higher viral loads in patients in the first week after symptoms appeared. Photo: AP

Coronavirus patients may be most infectious in first week of symptoms, study finds

  • Researchers find viral load highest in first seven days after patients start showing signs of the disease
  • Self-collected saliva samples could be safer than throat and nasal swabs taken by medical professionals, they say
Topic |   Coronavirus outbreak
Researchers detected higher viral loads in patients in the first week after symptoms appeared. Photo: AP
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