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The second half of the 20th century was the golden age of virus discovery and most of the 2,000 recognised species of animal, plant, and bacterial viruses were discovered during these years. [ 58 ] [ 59 ] In 1946, bovine virus diarrhea was discovered, [ 60 ] which is still possibly the most common pathogen of cattle throughout the world [ 61 ...
This is a timeline of influenza, briefly describing major events such as outbreaks, epidemics, pandemics, discoveries and developments of vaccines.In addition to specific year/period-related events, there is the seasonal flu that kills between 250,000 and 500,000 people every year and has claimed between 340 million and 1 billion human lives throughout history.
In the 1960s, the first virus that could cause hepatitis was discovered. This was hepatitis B virus, which was named after the disease it causes. [220] Hepatitis A virus was discovered in 1974. [221] The discovery of hepatitis B virus and the invention of tests to detect it have radically changed many medical, and some cosmetic procedures.
Plague of Justinian (beginning of first plague pandemic) 541–549 Europe and West Asia: Bubonic plague: 15–100 million [5] [41] [42] 580 Dysentery Epidemic in Gaul: 580 Gaul: Dysentery or possibly smallpox 450,000 (10% of the Gaul population) [43] Roman Plague of 590 (part of first plague pandemic) 590 Rome, Byzantine Empire: Bubonic plague ...
Viral evolution is a subfield of evolutionary biology and virology concerned with the evolution of viruses. [1] [2] Viruses have short generation times, and many—in particular RNA viruses—have relatively high mutation rates (on the order of one point mutation or more per genome per round of replication).
1921 – First vaccine for tuberculosis by Albert Calmette [9] [10] 1923 – First vaccine for diphtheria by Gaston Ramon, Emil von Behring and Kitasato Shibasaburō; 1924 – First vaccine for scarlet fever by George F. Dick and Gladys Dick; 1924 – First inactive vaccine for tetanus (tetanus toxoid, TT) by Gaston Ramon, C. Zoeller and P ...
Maurice and Georgiana’s firstborn child, Lionel Herbert Blyth, arrived on April 28, 1878. Born in Philadelphia, Lionel got his first taste of the limelight at age 6 while on tour with his parents.
1796 – First demonstration of smallpox vaccination (Edward Jenner) 1808–1813 – First experimental demonstration of the germ theory of disease by Agostino Bassi though he does not formally propose the theory until 1844; 1813 – Vautier reports spontaneous remission of cancer after gangrene infection (later to be known as Clostridium ...