HomeNewsBusinessFrom carats to peanuts: how a pandemic upended the global diamond industry

From carats to peanuts: how a pandemic upended the global diamond industry

Demand for diamonds has plummeted during the pandemic, freezing sales and squeezing prices. With temporary mine closures at risk of becoming permanent, diamond miners are seeking ways to extract more value from their stones.

August 12, 2020 / 18:14 IST
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As the coronavirus pandemic upended the global diamond industry, shuttering mines from Lesotho to Canada and disrupting supply chains, Rajen Patel swapped diamond polishing for peanut farming.

Patel, who worked for a decade in India's Surat where about 80 percent of the world's diamonds are polished, joined the exodus of gem workers leaving the city as cases of the virus shot up. After taking up farming in his home village, he has no plans to return in the coming months.

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"I won't earn as much I was earning in Surat, but I won't starve and there is no fear of getting infected with coronavirus," he said.

Demand for diamonds has plummeted during the pandemic, freezing sales and squeezing prices. With temporary mine closures at risk of becoming permanent, diamond miners are seeking ways to extract more value from their stones.

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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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