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Incubation period (also known as the latent period or latency period) is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent. [ 1 ] In a typical infectious disease, the incubation period signifies the period taken by the multiplying organism to reach a threshold ...
Incubation (psychology) In psychology, incubation refers to the unconscious processing of problems, when they are set aside for a period of time, that may lead to insights. It was originally proposed by Graham Wallas in 1926 as one of his four stages of the creative process: preparation, incubation, illumination, and verification. [1]
The period from the time of infection to the time of becoming infectious is called the pre-infectious period or the latent period. During the pre-infectious or latent period, a host may or may not show symptoms (i.e. the incubation period may or may not be over), but in both cases, the host is not capable of infecting other hosts i.e ...
The incubation period that she and her colleagues identified is similar to early estimates by other groups using slightly different methods and data. Their estimated incubation period for COVID-19 ...
The natural history of disease is the course a disease takes in individual people from its pathological onset ("inception") until its resolution (either through complete recovery or eventual death). [1] The inception of a disease is not a firmly defined concept. [1] The natural history of a disease is sometimes said to start at the moment of ...
Frequency. 3–5 million severe cases per year[1][2] Deaths. >290,000–650,000 deaths per year[3][4] Influenza, commonly known as the flu, is an infectious diseasecaused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue.
Adenovirus infection is a contagious viral disease, caused by adenoviruses, commonly resulting in a respiratory tract infection. [ 1 ][ 10 ] Typical symptoms range from those of a common cold, such as nasal congestion, coryza and cough, to difficulty breathing as in pneumonia. [ 10 ] Other general symptoms include fever, fatigue, muscle aches ...
By convention, a communicable disease outbreak is declared over when a period of twice the incubation period of the infectious disease has elapsed without identification of any new case, however, for organisms with a short incubation period (e.g. fewer than ten days), a period of three times the incubation period is preferred. [11]