Coronavirus impact: David Warner shaves off head to show support for medical staff, challenges Virat Kohli to do the same

Warner posted a picture upon completion in his new stubble-bald look, challenging fellow Australian teammates Steve Smith and Pat Cummins, along with Virat Kohli

Moneycontrol News

March 31, 2020 / 02:40 PM IST

On March 31, Australian opener David Warner posted a video on his Instagram account which showed the Aussie batsman shave his head off as a sign of support towards those battling the novel coronavirus pandemic on the frontline.

Along with a time-lapse video of him shaving off his head, Warner posted a picture upon completion in his new stubble-bald look, challenging fellow Australian teammates Steve Smith and Pat Cummins, along with Indian skipper Virat Kohli to do the same.

"Been nominated to shave my head in support of those working on the frontline #Covid-19 here is a time lapse. I think my debut was the last time I recall I’ve done this. Like it or not?? (sic)" read Warner's caption to his social media post.

View this post on Instagram

Been nominated to shave my head in support of those working on the frontline #Covid-19 here is a time lapse. I think my debut was the last time I recall I’ve done this. Like it or not??

A post shared by David Warner (@davidwarner31) on Mar 30, 2020 at 6:48pm PDT

COVID-19 Vaccine

Frequently Asked Questions

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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