What Are Five Infectious Diseases?

What is the leading infectious disease?

Tuberculosis is now the leading infectious disease threat in the world, killing more people than HIV/AIDS, as reported today by the World Health Organization.

This should erase any semblance of doubt that we need increased resources and new tools to address the global pandemic..

What are the characteristics of infectious diseases?

General signs and symptoms common to a number of infectious diseases include:Fever.Diarrhea.Fatigue.Muscle aches.Coughing.

What does infectious process mean?

Infectious disease, in medicine, a process caused by an agent, often a type of microorganism, that impairs a person’s health. In many cases, infectious disease can be spread from person to person, either directly (e.g., via skin contact) or indirectly (e.g., via contaminated food or water). Infectious disease.

What are the 4 types of infectious diseases?

A variety of microorganisms can cause disease. Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms.

What is the number 1 killer in the world?

Heart disease—most commonly caused by coronary artery and valvular diseases—is the #1 killer in the United States. It accounted for almost one-fourth of all registered deaths.

Which country has the most infectious diseases?

The countries with the highest incidence rates of tuberculosis include India, China, Indonesia, and the Philippines. In India alone tuberculosis was responsible for around 440,000 deaths in 2018.

What are the 5 stages of infectious disease?

The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 2).

What stage of infection is most communicable?

In some cases, a person is contagious during the incubation period, while in others the person is not contagious until the illness begins. The amount of time a child remains contagious depends on the infection and the child. Young children are often contagious for longer than older children.

What are the 7 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.

Which plague killed the most?

the Black DeathThe most fatal pandemic in recorded history was the Black Death (also known as The Plague), which killed an estimated 75–200 million people in the 14th century. The term was not used yet but was for later pandemics including the 1918 influenza pandemic (Spanish flu).

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 infectious disease kills the most humans per year?

HIV/AIDS. Classified as a global pandemic, HIV/AIDS led to nearly 30 million deaths worldwide from 1980 to 2009. In 2015, 2.1 million new cases were reported worldwide. The disease still kills roughly one million people per year worldwide, down from a peak of 2.2 million in 2005.

What is infectious disease and examples?

Infectious diseases are diseases caused by living organisms like viruses and bacteria. They can be passed from person to person through body secretions, insects or other means. Examples are SARS, influenza, the common cold, tuberculosis (TB), Hepatitis A and B.

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 2 types of infections?

Types of infectionsViral infections. Viruses are very tiny infectious organisms. … Bacterial infections. Bacteria are single-celled microorganisms. … Fungal infections. Fungi are another diverse group of organisms that can include things like yeasts and molds. … Parasitic infections. … Prions.