Question: Which Is The World’S Deadliest Disease?

What is the deadliest disease of all time?

Cholera, bubonic plague, smallpox, and influenza are some of the most brutal killers in human history.

And outbreaks of these diseases across international borders, are properly defined as pandemic, especially smallpox, which throughout history, has killed between 300-500 million people in its 12,000 year existence..

Which disease has no treatment?

AIDS. Twenty-five years since it was first identified, there is still no cure for Acquired Immune Deficiency Syndrome. AIDS remains among the world’s most potent killers, especially in developing countries. The disease likely started with a chimp to human jump, recent research confirmed.

What has killed the most humans in history?

Wars and armed conflicts with highest estimated death tolls of 100,000 or moreEventLowest estimateGeometric mean estimateWorld War II60,000,00084,269,920Three Kingdoms36,000,00037,947,332Mongol conquests30,000,00034,641,016European colonization of the Americas8,400,00034,047,02648 more rows

What is the most deadliest snake in the world?

What Are the World’s Deadliest Snakes?Saw-scaled viper. … King cobra. … Tiger snake. … Inland taipan. … Faint-banded sea snake. … Black mamba.

What disease is the hardest cure?

Drug-resistant tuberculosis is not only airborne and lethal; it’s one of the most difficult diseases in the world to cure. In Peru, 35-year-old Jenny Tenorio Gallegos wheezes even when she’s sitting still. That’s because of the damage tuberculosis has done to her lungs.

What are the 6 killer diseases?

Childhood mortality: six killer diseases and how to stop themPneumonia. Pneumonia, usually caused by a bacterial infection, is a disease in which the air sacs in the lungs become inflamed and fill up with fluid. … Diarrhoea. Diarrhoea is caused by an infection in the intestinal track. … Malaria. … Meningitis. … HIV. … Measles.

Why did Spanish flu kill so many?

Scientists offer several possible explanations for the high mortality rate of the 1918 influenza pandemic. Some analyses have shown the virus to be particularly deadly because it triggers a cytokine storm, which ravages the stronger immune system of young adults.

What animal kills the most humans in the United States?

Stanford University researchers say the animals who most kill Americans are farm animals; hornets, bees and wasps; followed by dogs. That’s bites, kicks and stings. The study, published in January in the journal Wilderness & Environmental Medicine, found there were 1,610 animal-related deaths from 2008 to 2015.

How long did the 1918 flu last?

While the global pandemic lasted for two years, a significant number of deaths were packed into three especially cruel months in the fall of 1918.

What is the most common disease in the world?

So, without further ado, here are the five most common infectious diseases.Hepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population. … Malaria. … Hepatitis C. … Dengue. … Tuberculosis.

How do snails kill people?

Life habits. Cone snails are carnivorous and predatory. … Because cone snails are slow-moving, they use a venomous harpoon (called a toxoglossan radula) to capture faster-moving prey, such as fish. The venom of a few larger species, especially the piscivorous ones, is powerful enough to kill a human being.

What animal did the Spanish flu come from?

The 1918 influenza pandemic caused an estimated 50 million to 100 million deaths worldwide. The virus that caused the 1918 influenza pandemic probably sprang from North American domestic and wild birds, not from the mixing of human and swine viruses.

What country has the lowest disease rate?

Some countries – such as South Korea – have achieved one of the lowest rates of health burden with an expenditure of around $2,000 per capita.

How many people die annually?

How many die each year? The first chart shows the annual number of deaths over the same period. In 2015 around 57 million people died. The world population therefore increased by 84 million in that year (that is an increase of 1.14%).

What causes the most deaths in the world?

Cardiovascular disease is the top cause of death globally. In the map we see death rates from cardiovascular diseases across the world.

What is the deadliest human?

Comparative listSource: CNETAnimalHumans killed per year1Mosquitoes1,000,0002Humans (murder only)475,0003Snakes50,0004 more rows

Where did the 1918 flu start?

While it’s unlikely that the “Spanish Flu” originated in Spain, scientists are still unsure of its source. France, China and Britain have all been suggested as the potential birthplace of the virus, as has the United States, where the first known case was reported at a military base in Kansas on March 11, 1918.

How many people died in ww2?

85 million peopleWorld War II was the deadliest military conflict in history. An estimated total of 70–85 million people perished, which was about 3% of the 1940 world population (est. 2.3 billion).

Which country has most diseases?

WHO 2015 rankingsRankCountryRisk of death from non-communicable disease1South Korea8.3%2Switzerland8.7%3Japan8.8%4Australia8.9%36 more rows

What are the 4 types of diseases?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.