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2 1918 Flu: Influenza A/H1N1: 17–100 million 1–5.4% of global population [4] 1918–1920 Worldwide 2 Plague of Justinian: Bubonic plague 15–100 million 25–60% of European population [5] 541–549 North Africa, Europe, and Western Asia 3 HIV/AIDS pandemic: HIV/AIDS: 44 million (as of 2025) [a] 1981–present [6] Worldwide 1 Black Death ...
[2] [3] Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. [ 4 ] [ 5 ] Since Dmitri Ivanovsky 's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898, [ 6 ] : 4 more than 11,000 of the millions ...
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Coronavirus disease 2019 (COVID-19) Yes: Coxsackie B virus: Coxsackie B virus infection Enterovirus infection is diagnosed mainly via serological tests such as ELISA and from cell culture. There is no well-accepted treatment for the Coxsackie B group of viruses. Under research [10] PRNP
Joining norovirus on a list nobody would want to be a part of is hepatitis A, which ranked second as the most viral. According to the report, it causes 14 million cases of foodborne illness a year ...
Many latent and asymptomatic viruses are present in the human body all the time. Viruses infect all life forms; therefore the bacterial, plant, and animal cells and material in the gut also carry viruses. [6] When viruses cause harm by infecting the cells in the body, a symptomatic disease may develop.
Often we just think of a few viruses—influenza, HIV, and now coronaviruses—but viruses are the most plentiful microbes on the planet. Of those, about 320,000 types of viruses infect mammals ...
Also excluded are common names and obsolete names for viruses. The taxonomy is taken from ICTV taxonomy 2022 release [1] For a list of virus families and subfamilies, see List of virus families and subfamilies. For a list of virus genera, see List of virus genera.
Viruses infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea. [138] [139] More than 6,000 virus species have been described in detail. [140] Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. [141] [142]