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An estimated 1,680 million people died of infectious diseases in the 20th century [87] and about 10 million in 2010. [88] The World Health Organization collects information on global deaths by International Classification of Disease (ICD) code categories. The following table lists the top infectious disease by number of deaths in 2002. 1993 ...
A child with smallpox.In 1980, the World Health Organization announced the global eradication of smallpox. It is the only human disease to be eradicated worldwide. Video recording of a set of presentations given in 2010 about humanity's efforts towards malaria eradication
Infectious disease – illness or disorder when pathogenic (disease-causing) microorganisms, such as bacteria, viruses, fungi, or parasites invade and multiply within the body of a host organism and release toxins, causing various clinical symptoms which can potentially lead to severe health complications or even death. Infectious diseases can ...
A zoonosis is an infectious disease of humans caused by a pathogen that can jump from a non-human host to a human. [35] Major diseases such as Ebola virus disease and salmonellosis are zoonoses. HIV was a zoonotic disease transmitted to humans in the early part of the 20th century, though it has now evolved into a separate human-only disease. [36]
The World Health Organization's definition of neglected tropical disease has been criticised to be restrictive (focusing only on communicable diseases) and described as a form of epistemic injustice, where conditions like snakebite are forced to be framed as a medical problem. [78]
In 2004, the World Health Organization calculated that 1.5 billion disability-adjusted life years were lost to disease and injury. [41] In the developed world, heart disease and stroke cause the most loss of life, but neuropsychiatric conditions like major depressive disorder cause the most years lost to being sick.
The number of cases varies according to the disease-causing agent, and the size and type of previous and existing exposure to the agent. Outbreaks include many epidemics, which term is normally only for infectious diseases, as well as diseases with an environmental origin, such as a water or foodborne disease. They may affect a region in a ...
[21] [22] According to the World Health Organization, approximately 10 million new TB infections occur every year, and 1.5 million people die from it each year – making it the world's top infectious killer (before COVID-19 pandemic). [21] However, there is a lack of sources which describe major TB epidemics with definite time spans and death ...