Covid-19: Can individuals catch coronavirus once more?

Covid-19: Can individuals catch coronavirus once more?


Scientists have used human problem trials for many years to be taught extra about illnesses comparable to malaria, flu, typhoid and cholera, and to develop therapies and vaccines towards them.

Reuters |

PUBLISHED ON APR 19, 2021 07:50 AM IST

British scientists on Monday launched a trial which can intentionally expose contributors who’ve already had COVID-19 to the coronavirus once more to look at immune responses and see if individuals get reinfected. In February, Britain grew to become the primary nation on this planet to provide the go-ahead for so-called “problem trials” in people, through which volunteers are intentionally uncovered to COVID-19 to advance analysis into the illness attributable to the coronavirus.

The research launched on Monday differs from the one introduced in February because it seeks to reinfect individuals who have beforehand had COVID-19 in an effort to deepen understanding about immunity, fairly than infecting individuals for the primary time.

“The data from this work will permit us to design higher vaccines and coverings, and in addition to grasp if persons are protected after having COVID, and for a way lengthy,” stated Helen McShane, a College of Oxford vaccinologist and chief investigator on the research.

She added that the work would assist understanding of what immune responses defend towards reinfection.

Scientists have used human problem trials for many years to be taught extra about illnesses comparable to malaria, flu, typhoid and cholera, and to develop therapies and vaccines towards them.

The primary stage of the trial will search to determine the bottom dose of the coronavirus wanted to ensure that it to begin replicating in about 50% of contributors, whereas producing few to no signs. A second part, beginning in the summertime, will infect completely different volunteers with that normal dose.

In part one, as much as 64 wholesome contributors, aged 18-30, who have been contaminated with coronavirus at the least three months in the past might be reinfected with the unique pressure of SARS-CoV-2.

They may then quarantine for at the least 17 days and be monitored, and anybody who develops signs might be given Regeneron monoclonal antibody therapy.

This story has been revealed from a wire company feed with out modifications to the textual content. Solely the headline has been modified.

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