How many viruses are there in the world?

Jan 2, 2021

Health/Science : The number of people infected with Covid-19 in the world has crossed 7.61 crore. While 16.84 lakh patients have died.

However, corona is not the only virus that proved fatal to the human body. There are more than 3 lakh viruses in the world, of which 219 are dangerous to humans.

Q. How many viruses are there in the world, how many of them are dangerous?

A. There are about 3.20 lakh viruses worldwide. According to NatGeo, there are 1.7 million such viruses, which are yet to be discovered. More than 219 viruses are dangerous to humans.

Q. Which is the most dangerous virus ever?

A. Marbug (Marburg, 1967) and Ebola (1976) have been the most dangerous viruses ever. 90% of the victims infected with these have died. Rabies is also a highly dangerous virus.

Q. Where are the viruses found most?

A. Low temperatures are most commonly found in tropical rain forests in low sunlight areas. Meat markets in Asian and African cities are also suitable places for them.

Q. Are there viruses that do not show signs of infection?

A. Yes, about 55% to 74% are virus infections with no signs of infection. For example, diseases like herpes, covids and AIDS can spread to asymptomatic people.

Q. Who can be most vulnerable to the virus?

A. Obesity is a condition that increases the risk of virus infection. According to research, the vaccine of Covid 19 may also prove to be less effective on obese people. Those who have a habit of biting the nails are also at greater risk.

Q. Can viruses infect humans more than once?

A. Yes, you can. Sometimes by external infection or by activating internally. That is, when immunity is low, the virus lying in the cells of the body can cause symptoms or disease again. Cell-mediated immunity is very important to prevent infection recovery and reinfection.

Q. What is the difference between viruses and bacteria?

A. Viruses are smaller than bacteria. All viruses are in a protein envelope. With genetic material such as RNA or DNA. Viruses cannot survive without a host body. Bacteria can survive in many types of environments. Inside the body as well as above the body. Unlike viruses, only a few bacteria are dangerous.

Q. Can a virus be beneficial?

A. HERV-K virus can protect human embryos from infection with other viruses. According to Professor Joanna Visoka of Stanford University, when the embryo reaches the 8-cell stage, it helps the cells to make a shield of proteins, thereby protecting the embryo from many other infections.

Q. What are the diseases spread by viruses and bacteria?

A. Bacteria: food poisoning, tetanus, TB, bacterial meningitis, urinary infections, cholera and other diseases. Viruses: Influenza, Chickenpox, Measles, Warts, Hepatitis, Zika, Covid, HIV etc.

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