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Influenza-like illness (ILI), also known as flu-like syndrome or flu-like symptoms, is a medical diagnosis of possible influenza or other illness causing a set of common symptoms. These include fever, shivering , chills , malaise , dry cough , loss of appetite , body aches, nausea , and sneezing typically in connection with a sudden onset of ...
Another flu pandemic occurred in 1781–1782, starting in China in autumn. [68] From this pandemic, influenza became associated with sudden outbreaks of febrile illness. [77] The next flu pandemic was from 1830 to 1833, beginning in China in winter. This pandemic had a high attack rate, but the mortality rate was low. [34] [68]
PAIS symptoms are often non-specific and similar despite diverse prior infections. Symptoms commonly included in definitions of PAIS include post-exertional malaise, severe fatigue, neurocognitive and sensory symptoms, flu-like symptoms, unrefreshing sleep, muscle pain, and joint pain. Symptoms can vary among affected people. [1]
SARS produces flu-like symptoms which may include fever, muscle pain, lethargy, cough, sore throat, and other nonspecific symptoms. SARS often leads to shortness of breath and pneumonia , which may be direct viral pneumonia or secondary bacterial pneumonia .
Flu season is an annually recurring time period characterized by the prevalence of an outbreak of influenza (flu). The season occurs during the cold half of the year in each hemisphere. It takes approximately two days to show symptoms. Influenza activity can sometimes be predicted and even tracked geographically.
Manchurian plague (part of the third plague pandemic) 1910–1911 China: Pneumonic plague: 60,000 [185] 1916 United States polio epidemic 1916 United States Poliomyelitis: 7,130 [186] 1918 influenza pandemic ('Spanish flu') 1918–1920 Worldwide Influenza A virus subtype H1N1: 17–100 million [187] [188] [189] 1918–1922 Russia typhus ...
Here’s where flu, COVID, RSV, and norovirus are spreading. Yes, you can get the COVID, flu, and RSV vaccines at once. Here are the pros and cons. New flu shots have arrived. Here’s the best ...
A medical dictionary definition of pandemic is "an epidemic occurring on a scale that crosses international boundaries, usually affecting people on a worldwide scale". [15] A disease or condition is not a pandemic merely because it is widespread or kills many people; it must also be infectious.