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HomeNewsBusinessEconomyBeating the heat: Here’s how 1,500 Voltas specialists, kept ACs across India working, despite the lockdown
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Beating the heat: Here’s how 1,500 Voltas specialists, kept ACs across India working, despite the lockdown

The country's largest AC maker Voltas helped essential units like hospitals, pharmaceutical firms, data centres and industries run operations smoothly through their heating, ventilation and air conditioning solutions.

May 02, 2020 / 12:20 IST
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A total of 100 hospitals, 50 industries, 50 million square feet of buildings and data centres, 25 airports and metros, and 25 pharmaceutical companies. It took consumer durables firm Voltas about 1,500 plus technicians and engineers to keep essential services running across 260 sites.

When the Indian government announced a lockdown from March 25 (now extended till May 17) to help contain the Coronavirus (or COVID-19) pandemic, essential services like banks, hospitals, technical operations as well as power, water supply units were given an exemption.

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However, considering the load of work and extreme heat-related conditions during this time of the year, it was a given that service requirements for air-conditioner brands like Voltas would pile up.

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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.

How many types of vaccines are there?

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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