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Saturday, October 23, 2021

Study, Health News, ET HealthWorld


Vax protects against infection in 95% of cases: StudyNew Delhi: Vaccine against Covid-19 is effective. It protects against infection, in 95% cases. This has been confirmed by a multi-centre study conducted by Apollo group of hospitals.

It is based on an analysis of breakthrough infection – detection of Covid-19 in persons who had received either both doses or the first dose of Covishield or Covaxin – in over 31,000 healthcare workers working at 43 hospitals of the group.

According to Dr Anupam Sibal, group medical director and senior pediatric gastroenterologist, Apollo Hospitals Group, post-vaccination infection (PVI) occurred in only 4.28% (1,355 out of 31,621) of the vaccinated healthcare workers. “Only 90 healthcare workers or 0.28% of the study subjects required hospitalisation, with only three cases or 0.009% requiring ICU admission,” he claimed.

The most important finding of the study was that there were “no deaths in case of Covid infection after vaccination,” Dr Sibal added.

Studies conducted by AIIMS, Maulana Azad Medical College and Fortis hospitals have also shown similar results.

Among the cohorts included in the Apollo study, officials said, Covishield was administered to 28,918 healthcare workers (91% HCWs), while 2,703 (9%) received Covaxin.

Also, 25,907 or 82% of the HCWs were fully vaccinated, having received both doses of the vaccine, while 5,714 or 18.1% had received only the first dose, they added.

Dr Raju Vaishya, one of the authors of the study, said the incidence of post-vaccination infection in HCWs who had been administered Covishield was 4.32% and in those who had received Covaxin was 3.85%.

A hospital spokesperson said HCWs involved in the study included doctors, nurses, paramedical staff, as well as support and administrative staff, among others.

The findings of the study are under consideration for publication in a peer-reviewed medical journal, the hospital said in a statement.

Commenting on the study, Dr Prathap C Reddy, founder chairman, Apollo Hospitals Group, said, “This study reiterates the fact that our mainstay against Covid-19 is mass vaccination. Vaccines are not only safe, but they also help prevent severe manifestations of Covid-19 and will help save lives.”





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