Search results
Results from the WOW.Com Content Network
Infectious diseases with high prevalence are listed separately (sometimes in addition to their epidemics), such as malaria, which may have killed 50–60 billion people throughout history, or about half of all humans that have ever lived. [2]
Here are the worst epidemics and pandemics in history, dating from prehistoric to modern times. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800 ...
Polio is a serious, and potentially deadly or crippling, infection disease. [49] By the mid-20th Century, breakouts of polio present a major health concern for children in the United States. In 1952, at the height of an epidemic, Jonas Salk introduces a vaccine for the disease, which has existed for thousands of years.
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.
Epidemics of the 19th century were faced without the medical advances that made 20th-century epidemics much rarer and less lethal. Micro-organisms (viruses and bacteria) had been discovered in the 18th century, but it was not until the late 19th century that the experiments of Lazzaro Spallanzani and Louis Pasteur disproved spontaneous generation conclusively, allowing germ theory and Robert ...
1900–1904 San Francisco plague epidemic; 1916 New York City polio epidemic; 1918–1930 Encephalitis lethargica epidemic; 1924 Los Angeles pneumonic plague outbreak; 1924–1925 Minnesota smallpox epidemic; 1947 New York City smallpox outbreak; 1962-1965 rubella epidemic [2] 1976 Philadelphia Legionnaires' disease outbreak; 1976 swine flu ...
The disease was first recorded in 1894 and outbreaks of the disease occurred in eastern Africa throughout the 20th century, often resulting in famine. [252] In the 1920s the sugarbeet growers in the western US suffered huge economic loss caused by damage done to their crops by the leafhopper-transmitted beet curly top virus.
This is a list of foodborne illness outbreaks by death toll, caused by infectious disease, heavy metals, chemical contamination, or from natural toxins, such as those found in poisonous mushrooms. Before modern microbiology, foodbourne illness was not understood, and, from the mid 1800s to early-mid 1900s, was perceived as ptomaine poisoning ...