COVID-19 Reinfection Unlikely for at Least 6 Months, Examine Finds

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LONDON (Reuters) – Individuals who’ve had COVID-19 are extremely unlikely to contract it once more for at the very least six months after their first an infection, in response to a British research of healthcare employees on the frontline of the struggle in opposition to the coronavirus pandemic.

The findings ought to provide some reassurance for the greater than 51 million individuals worldwide who’ve been contaminated with the pandemic illness, researchers on the College of Oxford stated.

“That is actually excellent news, as a result of we might be assured that, at the very least within the brief time period, most individuals who get COVID-19 will not get it once more,” stated David Eyre, a professor at Oxford’s Nuffield Division of Inhabitants Well being, who co-led the research.

Remoted circumstances of re-infection with COVID-19, the illness brought on by the SARS-CoV-2 virus, had raised issues that immunity is perhaps short-lived and that recovered sufferers might swiftly fall sick once more.

However the outcomes of this research, carried out in a cohort of UK healthcare employees – who’re amongst these at highest danger of contracting COVID-19 – recommend circumstances of reinfection are prone to stay extraordinarily uncommon.

“Being contaminated with COVID-19 does provide safety in opposition to re-infection for most individuals for at the very least six months,” Eyre stated. “We discovered no new symptomatic infections in any of the contributors who had examined constructive for antibodies.”

The research, a part of a serious workers testing programme, lined a 30-week interval between April and November 2020. Its outcomes haven’t peer-reviewed by different scientists however have been printed earlier than assessment on the MedRxiv web site.

Through the research, 89 of 11,052 workers with out antibodies developed a brand new an infection with signs, whereas not one of the 1,246 workers with antibodies developed a symptomatic an infection.

Workers with antibodies have been additionally much less prone to check constructive for COVID-19 with out signs, the researchers stated, with 76 with out antibodies testing constructive, in comparison with solely three with antibodies. These three have been all effectively and didn’t develop COVID-19 signs, they added.

“We are going to proceed to comply with this cohort of workers rigorously to see how lengthy safety lasts and whether or not earlier an infection impacts the severity of an infection if individuals do get contaminated once more,” Eyre stated.