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6 Most Dangerous Diseases Caused by Viruses

In this modern era which is very sophisticated, there are a lot of new viruses that are very dangerous for humans when they are infected.

Listen, some Infectious Diseases of the Modern Era. Here is a brief description of some diseases, which are caused by the expansion of viruses in the modern era.

6 Most Dangerous Diseases Caused by Viruses


HIV (human immunodeficiency virus) is a virus that damages the immune system, by infecting and destroying CD4 cells. HIV infection is called AIDS (Acquired Immune Deficiency Syndrome). AIDS is the final stage of HIV infection.

AIDS was first discovered in the United States. But the origin of the HIV virus is from Africa. It is said that this disease began to exist after a resident in Africa had sex with a monkey. Then infect US Caucasians. This disease then developed rapidly throughout the world after the outbreak of free sex behavior.


Mad cow disease was first discovered in England in 1986. At first it attacked livestock. But then the virus expands to attack humans with a new variant.

In humans, mad cow disease is known as variant Creutzfeldt-Jakob Disease (vCJD). Transmission of mad cow disease to humans usually occurs due to consuming beef infected with BSE. In humans, the object that is attacked is the nervous system or brain. People who are infected with mad cow disease will generally lose control of their bodies. He will find it difficult to talk, walk or even stand.


Bird flu is an old disease. It first appeared in Italy more than a century ago. A strain of influenza virus that primarily infects birds, but can also infect humans. This type of flu most often occurs due to contact with sick poultry. The flu can also be transmitted between humans.

At first it was considered a common disease because it targeted livestock that were less painstaking in maintaining their health. But then the H5N1 virus got worse and started to attack humans. The peak of bird flu disease was in 2000-2007. Symptoms for humans who have contracted this virus begin within 2-8 days, and can look like the common cold. Cough, fever, sore throat, muscle aches, headache, and shortness of breath may occur.


Ebola was first discovered in 1976 in Congo, Africa. The virus comes from monkeys and fruit-eating bats. People with Ebola will have difficulty clotting blood. Blood will flow naturally from the nose, mouth or injection site. Vomiting blood, coughing up blood, to bloody stools are acute signs of a malignant virus from the infected person's body.

Ebola is a deadly disease, which can cause fever, diarrhea, and bleeding in the sufferer's body. Only 10% of Ebola sufferers survive this viral infection, but the disease is rare.


First appeared in China in 2002. The SARS disease is classified as deadly and attacks human respiration. The Chinese government had covered up the epidemic of this disease when it was first discovered. But after SARS spread to various countries in a matter of months with the death toll reaching 775 people hundreds of thousands of livestock, then the Chinese government opened up and invited the international world together to fight it.
SARS transmission occurs when someone accidentally inhales splashes of saliva released by SARS sufferers when sneezing or coughing.


The disease caused by this viral infection is called COVID-19. Corona virus can cause disorders of the respiratory system, acute pneumonia, to death. Learning from the SARS disease, the Chinese government was reluctant to hide the virus outbreak that started in the city of Wuhan and its surroundings. They isolated the city and forbade its citizens to travel.

Diseases originating from the Corona virus attack the human respiratory system by paralyzing lung function. The virus is thought to have come from bats and snakes that are sold freely in the market. This virus is very deadly, because it only takes a matter of days to end a person's life history.

A person can contract COVID-19 in various ways, namely:
• Accidentally inhaling saliva splashes from sneezing or coughing people with COVID-19.
• Holding your mouth or nose without washing your hands first after touching an object that has been splashed by the saliva of a COVID-19 sufferer.
• Close contact with people with COVID-19, for example touching or shaking hands.
• That's what the author can convey that may be useful.

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