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States » SouthPosted at: Feb 11 2021 5:01PM


Vaccinating a person already recovered from COVID a wasteful exercise : Dr Purohit

Hyderabad, Feb 11 (UNI) Vaccinating a person who had already recovered from Covid-19 is a wasteful exercise as antibodies develops naturally are better and last longer than the ones developed with the help of vaccines, said Dr Naresh Purohit, Advisor, National Immunisation Programme.
Covid-19 recovered population should be excluded from the ongoing vaccination drive, said Dr Purohit while addressing at a webinar on “ Challenges in Covid Vaccination" organised by the NTR Medical University of Health Sciences, Vijayawada.
Dr Purohit said India has vaccinated over six million healthcare workers since the first phase of the Covid-19 vaccination drive on January 16. The tally also includes those who contracted the virus and recovered from it in due course of time.
Current scientific studies on COVID-19 showed that natural antibodies produced through infection last longer than the ones produced through vaccines and so covid- recovered population should be excluded from the current vaccination drive, he stated.
He stated that experts participating in the webinar believe that vaccines should be preserved for those who need it most and they based their arguments on two basic scientific observations.
Firstly, very few cases of Covid-19 re-infections have been reported across the globe. Secondly, scientific evidence regarding some respiratory viral diseases such as chicken pox and influenza suggest that natural antibodies work better than artificial ones acquired through a vaccine, he said at the webinar.
Dr Purohit, the noted Epidemiologist and one of the principal investigators of vaccine clinical trial, also said just 46 cases of Covid-19 re-infections have been reported globally, which confirms that natural antibodies provide long-lasting protection.
“In case of diseases like chicken pox, the natural antibodies produced can provide life-long immunity, while vaccines don't provide the same type of immunity,” Dr Purohit said, adding that “In case of measles, both natural immunity and the one acquired through vaccines, have an equal lifespan.”
Meanwhile, as far as influenza is concerned, Dr Purohit averred that natural antibodies provide better immunity when compared to vaccines because influenza viruses constantly change and mutate.
In this connection, there is a need to create a new vaccine because of the high mutation rate,” he said, adding that at present Sars-Cov-2, the virus that causes Covid-19 infection, has shown a very low mutation rate, which is good for vaccine development," he added.
“As India is very close to herd immunity, we should not waste taxpayers’ money on inoculating those people who have already recovered from Covid-19,” Dr Purohit said.
He pointed that scientific evidence stated that the human body produces long lasting antibodies against all such viruses which spread through respiration such as smallpox, measles and influenza.
"There is no disease in which the antibodies developed through vaccines last longer than natural antibodies," said the renowned physician.
It is an indisputable fact that natural immunity is long-lasting , however, at present, it is yet to be seen how long immunity through vaccines will last, he added.
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Tags: #Vaccinating a person already recovered from COVID a wasteful exercise : Dr Purohit
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