May 20, 2026

Science Chronicle

A Science and Technology Blog

May 20, 2026

Science Chronicle

A Science and Technology Blog

Day: August 8, 2020

CoronavirusCOVID-19Herd immunityPublic HealthSARS-CoV-2Vaccines

Is there a case for issuing immunity certificates to COVID-19 recovered people?

  While there is a clear case for ‘immunity passports’ with some restrictions for people who have recovered from COVID-19,

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CoronavirusCOVID-19Public HealthSARS-CoV-2Viral load

Asymptomatic people carry same amount of coronavirus as those with symptoms

  A study has found that people who are infected with novel coronavirus but don’t exhibit symptoms carry the same

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Aerosol transmissionCoronavirusCOVID-19Public HealthSARS-CoV-2World Health Organisation

Viable coronaviruses collected from air more than six feet strengthens aerosol transmission

  Researchers have been able to isolate virus from air samples collected 2 to 4.8 metres away from the patients.

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