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DMK MLA J Anbazhagan dies of COVID-19 in Chennai

President MK Stalin condoled DMK MLA Anbazhagan's death and paid tributes to him

June 10, 2020 / 11:52 IST
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DMK legislator J Anbazhagan died of COVID-19 in Chennai on June 10 which was also his 62nd birthday.  "The 61-year old MLA, who has been fighting for his life with severe COVID-19 pneumonia rapidly deteriorated early this morning. In spite of full medical support, including mechanical ventilation at our COVID-19 facility, he succumbed to his illness," Dr Rela Institute and Medical Centre said in a statement.

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DMK President M K Stalin and Chief Minister E Palaniswamy condoled Anbazhagan's death and paid tributes to him. Anbazhagan, who had comorbidities including chronic kidney disease was put on ventilator support on June 3 after his respiratory distress worsened.

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COVID-19 Vaccine
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How does a vaccine work?

A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

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There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

What does it take to develop a vaccine of this kind?

Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.
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