a Oxford university, In England, on Monday (19) that young people who already have it Covid-19 The injury will be intentionally re-infested. The goal of the investigation is to find out how the immune system behaves during a second infection.
The study consists of two phases. The first phase begins in April and will include the participation of 64 volunteers, between the ages of 18 and 30, who have already contracted the virus naturally. Participants will be exposed to the original strain that appeared in China in 2019.
In this stage, researchers seek to determine the viral dose needed to infect a person and how the immune system will react.
The standard viral dose will be determined after at least 50% of the participants become infected.
In the second phase, the other participants will be exposed to the standard dose specified in the previous phase.
“The information from this work will allow us to design better vaccines and treatments, as well as to understand whether people are protected after catching Covid and for how long,” Helen McShane, the lead author of the study, told Reuters.
All participants will be isolated for at least 17 days and will be monitored and treated with antibodies if they develop symptoms.
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