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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 ...
Bornholm disease (Coxsackie B virus) COVID-19 [4] [5] Chickenpox; ... WrongDiagnosis.com » Symptoms » Flu-like symptoms » Causes Retrieved on April 10, 2009
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 .
The 1889–1890 pandemic, often referred to as the Asiatic flu [53] or Russian flu, killed about 1 million people [54] [55] out of a world population of about 1.5 billion. It was long believed to be caused by an influenza A subtype (most often H2N2), but recent analysis largely brought on by the 2002-2004 SARS outbreak and the COVID-19 pandemic ...
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.
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]
The disease has three phases: prodromal, cardiopulmonary, and recovery. Prodromal symptoms last for 1–5 days [1] and include fever, headache, muscle pain (myalgia), nausea, vomiting, dizziness, chills, flu-like symptoms like coughing and shortness of breath (dyspnea), and low platelet count in the blood (thrombocytopenia).