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'I do feel afraid': Indian workers disinfect coronavirus hotspots

He rode his motorbike to government offices in South Delhi, where he suited up in protective gear and strapped a container full of disinfectant on his back.
April 23, 2020 / 09:44 IST
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One recent morning in his two-room New Delhi home, sanitation worker Dev Dutt Sharma drank tea before putting on an orange jacket and bidding goodbye to his two sons, wife, and elderly mother.

He rode his motorbike to government offices in South Delhi, where he suited up in protective gear and strapped a container full of disinfectant on his back.

Then he ventured out to disinfect some of Delhi's crowded slums and neighborhoods deemed at risk from the coronavirus, which has infected more than 20,000 people and killed 652 in India.

"I do feel afraid, because I have a family," said Sharma, 38, who is one of more than 3,500 workers usually tasked with combating malaria for the South Delhi Municipal Corporation.

"But then I think that, along with my own family, I will also save other families."

COVID-19 Vaccine

Frequently Asked Questions

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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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The plight of India's under-protected medical workers has drawn widespread attention, but workers disinfecting cities are also at risk as they venture into designated containment zones.

"Wherever we get more than three or four cases from a single locality, we are taking special measures in those areas," said N.R. Tuli, a doctor in charge of disinfections in a South Delhi area.

Such measures boost sanitation and strengthen awareness of government actions, said virologist Shahid Jameel.

"The latter increases the level of trust that is so important for people to follow instructions," added Jameel, the chief executive of health charity the Wellcome Trust/DBT India Alliance.

India's population of 1.3 billion has been subjected to one of the world's toughest lockdowns, confining people to their homes except for trips to buy food and medicine until May 3.

To help rein in the virus, Sharma disinfects as many as 80 homes a day. But when the work ends, anxiety returns to haunt him.

"When I come back home, I also feel, 'What if this virus is inside me and might get transmitted to my children?'," he said. "But we are helpless, we have to perform our duty."

Reuters

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