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The terms "intrinsic incubation period" and "extrinsic incubation period" are used in vector-borne diseases. The intrinsic incubation period is the time taken by an organism to complete its development in the definitive host. The extrinsic incubation period is the time taken by an organism to develop in the intermediate host. [citation needed]
The relationship between the latent period, the infectious period (the period of communicability) and the incubation period. In some diseases, as depicted in this diagram, the latent period is shorter than the incubation period. A person can transmit an infection without showing any signs of the disease.
The incubation period is 5–7 days (with a range of 3–10). [5] Symptoms can include a harsh, dry cough, retching, sneezing, snorting, gagging or vomiting in response to light pressing of the trachea or after excitement or exercise. The presence of a fever varies from case to case. [citation needed]
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 time interval from the time of invasion by an infectious pathogen to the time of onset (first appearance) of symptoms of the disease in question is called the incubation period. [3] After the incubation period is over, the host enters the symptomatic period. Moreover, at a certain point in time after infection, the host becomes capable of ...
The incubation period is 1–3 days after exposure to Streptococcus and 4–10 days for Staphylococcus. [17] Dried streptococci in the air are not infectious to intact skin. Scratching may spread the lesions. [citation needed]
The incubation period of tetanus may be up to several months but is usually about ten days. [12] [13] In general, the farther the injury site is from the central nervous system, the longer the incubation period. However, shorter incubation periods will have more severe symptoms. [14]
Typically, infection with an AIV has an incubation period of 3–5 days but can be up to 9 days. H5N1 and H7N9 cause severe lower respiratory tract illness, whereas other AIVs such as H9N2 cause a more mild upper respiratory tract illness, commonly with conjunctivitis. [1]