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Kessler said the virus in the teenager had shown signs it mutated in a way that could make it easier to transmit to another person, warning that H5N1 becomes deadly when the virus attaches to the ...
A 2022 statement from the World Health Organization (WHO), defines the term this way: “Disease X is [used] to indicate an unknown pathogen that could cause a serious international epidemic.”
The ominously-named “Disease X” isn’t an actual disease (yet). But it’s gaining attention online as experts look beyond COVID-19 to future public health threats. What's happening
The Plague of Athens (c. 1652 –1654) by Michiel Sweerts, illustrating the devastating epidemic that struck Athens in 430 BC, as described by the historian Thucydides. The United States Centers for Disease Control and Prevention defines epidemic broadly: "Epidemic refers to an increase, often sudden, in the number of cases of a disease above what is normally expected in that population in ...
Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections , an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered ...
A disease or condition is not a pandemic merely because it is widespread or kills many people; it must also be infectious. For instance, cancer is responsible for many deaths but is not considered a pandemic because the disease is not contagious —i.e. easily transmissible—and not even simply infectious . [ 16 ]
An epizootic disease (or epizooty) may occur in a specific locale (an "outbreak"), more generally (an "epizootic"), or become widespread ("panzootic"). High population density is a major contributing factor to epizootics. The aquaculture industry is sometimes plagued by disease because of the large number of fish confined to a small area.
They say another pandemic isn't a case of if, it's now a countdown to when. Bill Gates sees another pandemic in the cards within the next 30 years. Disease experts say it’s not if but when.