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New Delhi:
A sero survey carried out at a number one hospital within the metropolis over 5 months has discovered that the prevalence of antibodies, in an individual who has recovered from coronavirus an infection, persists for 60-80 days.
The survey discovered that antibodies continued within the recovered affected person’s physique for at the very least 60 days, relying on when the participant was contaminated or got here in contact with contaminated folks.
The contributors of the sero survey, collectively executed by the Max Hospital and Institute of Genomics and Integrative Biology, beneath the Council for Scientific and Industrial Research (CSIR), will once more be examined to evaluate how lengthy the anti-bodies final in the one who contracted COVID-19, mentioned Shantanu Sengupta, the IGIB scientist who carried out the research.
A complete of 780 samples had been used for the serological testing which embody hospital employees and people who visited the hospital through the pandemic.
“Our study results confirm that anti SARS-CoV-2 antibodies could remain for more than 60 days in the body. This is a step forward towards better understanding of the infection recovery and re-infection pattern. There is a need for larger follow-up studies to further assess how long the antibodies remain stabilised in the body,” Mr Sengupta mentioned.
Sujeet Jha of the Institute of Endocrinology, Diabetes, and Metabolism Max Healthcare, Max Super Speciality Hospital, Saket, mentioned, “This study, being a longitudinal study, would help us to understand if asymptomatic or symptomatic seropostive individuals are protected for COVID-19 and if yes, for how long,”, mentioned .
In complete, 448 workers — physicians (59), nurses (70), administrative workers (15), entrance workplace (12), catering (17), housekeeping (46), safety (9), laboratory (45), pharmacy (8), basic obligation assistant (28), engineering (21), house care (5), analysis (19), and others (94) from totally different hospital items participated within the research.
There had been 65.Eight per cent males and 34.1 per cent females among the many hospital workers.
From the final inhabitants — those that visited the hospital — 332 people (77.1 per cent males and 22.9 per cent females) additionally participated within the research.
“We observed an increasing trend of seropositive cases amongst the hospital staff, over a period of four months, from April to July which was expected and is a reflection of the increased spread of the infection in these months.”
Among the HCWs (healthcare employees), the seroprevalence elevated from April (2.three per cent) to July (50.6 per cent). The cumulative seroprevalence noticed within the research is 16.5 per cent (74/448).
“The prevalence observed in the general population is 23.5 per cent (78/332),” the research mentioned.
The sero survey carried out within the metropolis from June 27 to July 10 discovered that just about 23 per cent folks had antibodies in opposition to coronavirus.
Another survey carried out within the metropolis final month noticed the quantity going as much as 29 per cent.
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