The study was carried out by infectious diseases experts in Singapore.
The Director General of Nigeria Centre for Disease Control, Dr. Chikwe Ihekweazu, disclosed this at the Presidential Task Force media briefing on Wednesday in Abuja.
The News Agency of Nigeria reports that the Singapore study shows that COVID-19 patients are no longer infectious after 11 days of getting sick even though some may still test positive.
“A positive test does not equate to infectiousness or viable virus,” a joint research paper by Singapore’s National Centre for Infectious Diseases and the Academy of Medicine Singapore said.
The virus “could not be isolated or cultured after day 11 of illness.”
The paper was based on a study of 73 patients in the city-state.
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