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Mucormycosis: Can black fungus infect people who don't have COVID-19? Here's what experts say

India used to record about 100 cases of black fungus a year but now Karnataka alone has reported about 700 cases in the last week.

May 24, 2021 / 12:52 IST
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The Madhya Pradesh government has declared Mucormycosis (also known as black fungus) a notified disease in the state. (Image: News18 Creative)

As it battles a furious second coronavirus wave, India is facing another challenge in the form of mucormycosis, often referred to as black fungus,  with states reporting a surge in the disease that poses a risk to the brain, lungs and sinuses.

State after state is reporting a daily high in cases of mucormycosis, which can be fatal, among patients recovering from coronavirus.

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In Haryana, the count has risen to 421. The infection is on a rise among COVID-19 patients in Andhra Pradesh, Assam, Bihar, Delhi, Gujarat, Karnataka, Madhya Pradesh, Kerala, West Bengal, Himachal Pradesh, Uttar Pradesh and Uttarakhand as well.

The Delhi government-run Lok Nayak Jai Prakash Narayan (LNJP) and Guru Teg Bahadur (GTB) hospitals reported 36 more cases of black fungus in a day, senior officials said on May 23.

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.

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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