Quick Answer: What Is The Leading Infectious Disease?

What has killed the most humans in history?

Wars and armed conflicts with highest estimated death tolls of 100,000 or moreEventLowest estimateHighest estimateWorld War II60,000,000118,357,000Three Kingdoms36,000,00040,000,000Mongol conquests30,000,00057,000,000European colonization of the Americas8,400,000138,000,00047 more rows.

What makes TB the world’s most infectious killer?

Many people think of TB as a disease of the past, but in 2017 over 10 million people became sick with TB and 1.3 million people died from the disease – making it the world’s #1 infectious killer. Tuberculosis is closely linked to poverty, overcrowding and malnutrition.

What is the main cause of infectious disease?

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They’re normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

What is the rarest syndrome in the world?

Five rare diseases you never knew existedStoneman Syndrome. Frequency: one in two million people. … Alice In Wonderland Syndrome (AIWS) Frequency: currently unknown. … Hutchinson-Gilford Progeria Syndrome (HGPS) Frequency: one in four million. … Alkaptonuria. Frequency: one in one million people globally. … Chronic Focal Encephalitis (Rasmussen’s Encephalitis)

What is the world’s leading infectious killer?

TB is the leading infectious killer globally and the leading killer of people living with HIV, accounting for one in every three AIDS-related deaths. In 2017, around 1.6 million people died of TB, including 300 000 people living with HIV.

What are the major infectious diseases?

Common Infectious DiseasesChickenpox.Common cold.Diphtheria.E. coli.Giardiasis.HIV/AIDS.Infectious mononucleosis.Influenza (flu)More items…

What disease kills the fastest?

Flesh Eating Bug. This bug can quickly sweep through the body eating the body’s soft tissue. … Cholera. This is an intestinal disease caused by eating contaminated water or food and can kill anyone within hours. … Enterovirus D68. … Bubonic Plague. … Ebola. … Dengue Fever.

What are the 4 types of infectious diseases?

There are different types of pathogens, but we’re going to focus on the four most common types: viruses, bacteria, fungi, and parasites.

How many diseases have no cure?

As long as lawmakers avoid saying “cures,” that does not seem to be the case here. The focus is really on rare diseases, but a credible case can be made that there are at least 10,000 diseases in the world, though there is likely more. And there are a bit over 500 treatments.

What are the 10 most common diseases?

Heart disease. Share on Pinterest Many of the top 10 causes of death are preventable through lifestyle changes and regular checkups. … Cancer. Deaths in 2017: 599,108. … Unintentional injuries. … Chronic lower respiratory disease. … Stroke and cerebrovascular diseases. … Alzheimer’s disease. … Diabetes. … Influenza and pneumonia.More items…•

What are the most common infections?

Most Common Infectious Diseases in the U.S.Scroll down to read all. 1 / 15. Chlamydia. … 2 / 15. Influenza A and B. Sudden fever and chills, muscle aches, headache, tiredness, sore throat, congestion. … 3 / 15. Staph. There are more than 30 kinds of staph bacteria. … 4 / 15. E. Coli. … 5 / 15. Herpes Simplex 1. … 6 / 15. Herpes Simplex 2. … 7 / 15. Shigellosis. … 8 / 15. Syphilis.More items…

What disease can cure?

5 Diseases That May Be Cured Within Our LifetimeHIV/AIDS. The Human Immunodeficiency Virus, or HIV, was only discovered mere decades ago. … Alzheimer’s Disease. Alzheimer’s affects nearly 5.7 million Americans who struggle with varying stages of dementia. … Cancer. Cancer refers to the uncontrolled growth of abnormal cells in the body. … Cystic Fibrosis. … Heart Disease.

What is the leading infectious disease in the US?

Viral hepatitis, influenza, and tuberculosis (TB) remain among the leading causes of illness and death in the United States and account for substantial spending on the related consequences of infection.

Which disease has no cure?

HIV/AIDS – No cure exists for HIV/AIDS, but medication exists that can help control the symptoms of it. Huntington’s disease – Inherited disease that causes the progressive breakdown (degeneration) of nerve cells in the brain. Hydrocephalus – No cure exists for this (physical)neurological disorder.

What’s the deadliest disease in human history?

Smallpox. Smallpox is an acute contagious disease caused by the variola virus, which caused an estimated 300 to 500 million deaths in the 20th century.

What are the world’s four most serious infectious diseases?

These are only four of the infectious diseases that have shaped the last century. In reality, there are a number that could have been included in this list of threats including polio, malaria, cholera and syphilis.

What are the 5 most common infectious diseases?

The 5 Most Common Infectious DiseasesHepatitis 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.

What is the most common virus in humans?

The most common type of viral disease is the common cold, which is caused by a viral infection of the upper respiratory tract (nose and throat). Other common viral diseases include: Chickenpox. Flu (influenza)

Can a virus be a disease?

Viruses are very tiny germs. They are made of genetic material inside of a protein coating. Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19.

What are the top 3 deadliest diseases?

Summary. In 2018, the five deadliest illnesses in the U.S. were heart disease, cancer, lung disease, cerebrovascular disease, and Alzheimer’s disease. The other leading causes of death due to disease were diabetes, influenza and pneumonia, and kidney disease.

What is the deadliest disease in the US?

Leading Causes of DeathHeart disease: 655,381.Cancer: 599,274.Accidents (unintentional injuries): 167,127.Chronic lower respiratory diseases: 159,486.Stroke (cerebrovascular diseases): 147,810.Alzheimer’s disease: 122,019.Diabetes: 84,946.Influenza and pneumonia: 59,120.More items…

What is the most deadliest animal in the world?

hippopotamusUngainly as it is, the hippopotamus is the world’s deadliest large land mammal, killing an estimated 500 people per year in Africa. Hippos are aggressive creatures, and they have very sharp teeth. And you would not want to get stuck under one; at up to 2,750kg they can crush a human to death.