Emissions of COVID-19 among asymptomatic individuals are relatively low, according to the findings of a new experimental study that intentionally infected patients.
The study was published in the weekly peer-reviewed The Lancet medical journal on June 9.
The research was conducted at the quarantine unit at the Royal Free London NHS Foundation Trust in London, UK, between March 6 and July 8, 2021, with the aim of understanding exactly when infected individuals are generally contagious and how to detect or predict contagiousness in order to reduce transmission in future pandemics.
As part of the study, researchers recruited 36 healthy participants (10 female and 26 male) aged 18–30 who were unvaccinated against COVID-19 and were not previously known to have been infected with the virus….