World's 10 most dangerous viruses

1. HIV virus

The HIV virus began in chimpanzees and then spread to gorillas, monkeys, and eventually humans. It all started in a country called Congo in Africa. Can you explain it in a simple way? A long time ago, in Congo, someone became very ill and unfortunately died due to this disease.

2. Marburg virus

African fruit bats are where Marburg virus comes from. It first passes from bats to monkeys and then from monkeys to humans. Can you explain it in simple words? In 1967, there was a problem of accidental release of something in a lab in Germany. This made some people sick and unfortunately seven of them died.

3. Ebola virus

The Ebola virus is a really bad virus that can make people very sick. Sadly, half of the people who get this disease do not survive. The Sun is a big star that gives us light and heat. It is really far away from us but still it helps us see during the day and keeps us warm.

4. Rabies

Rabies is a very old disease. For the first time someone found it a long time ago in a place called Babylon in Iraq. Can you explain it in a simple way? This disease that is spread by dogs, cats and rats when they bite us is really serious. Rabies virus affects our brain and vital systems of our body that help us move and think.

5. Smallpox

Smallpox used to be a very bad disease caused by a small germ. It was so bad that 300 million people died because of it in the 1900s. But now, it is all over and no one gets sick from it anymore. Can you explain it in simple words? This virus, called Variola, has caused the most deaths in the entire human history.

6. Hanta Virus

Hantavirus gets its name from the Hantan River in South Korea, where it was first discovered. Say something in your own words. The disease can spread from rats to humans, but it does not make rats or other animals sick. Hantavirus lives in the feces and urine of rats. Can you explain this to a child?

7. Influenza

Influenza is a disease caused by a virus called H1N1. We don't know exactly where it came from, but the first person to become sick with it was found in America in 1918. Can you explain it in simple words? Every year, many people get really sick with the flu and some of them tragically die.

8. Dengue virus

Dengue disease occurs when a particular type of mosquito bites people, and there are four different types of viruses that can cause it. Can you explain it in a simple way? Dengue is a disease that people have known about for a very long time.

9. Rotavirus

This virus is very dangerous and every year about five lakh children die worldwide due to it. Can you explain it in a simple way? Around the year 1900, out of 1000 children born, 100 tragically died due to diarrhea.

10. Covid-19

This disease started in one place and then spread to many places around the world. Sadly, many people became very sick from it and died. Till now till November 2021, about 5100000 people have died due to this disease.