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The virus particles have a distinct shape; each virion has an icosahedral head that contains the viral genome, and is attached to a flexible tail by a connector protein. [2] The order encompasses a wide range of viruses, many containing genes of similar nucleotide sequence and function.
Rodents, rabbits, and hares often serve as reservoir hosts, [19] but waterborne infection accounts for 5–10% of all tularemia in the United States, [20] including from aquatic animals such as seals. [21] Tularemia can also be transmitted by biting flies, particularly the deer fly Chrysops discalis. Individual flies can remain infectious for ...
This is a shortened version of the first chapter of the ICD-9: Infectious and Parasitic Diseases. It covers ICD codes 001 to 139. The full chapter can be found on pages 49 to 99 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
The virus has complex structural symmetry, with a capsid of the phage that is icosahedral (twenty faces) with an inner diameter of 55 nm and a tail 19 nm in diameter and 28.5 nm long attached to the capsid. [9] The ejection of proteins from the capsid upon infection causes the virus to change structure when it enters the cell. [10]
Melioidosis is an infectious disease caused by a gram-negative bacterium called Burkholderia pseudomallei. [1] Most people exposed to B. pseudomallei experience no symptoms; however, those who do experience symptoms have signs and symptoms that range from mild, such as fever and skin changes, to severe with pneumonia, abscesses, and septic shock that could cause death. [1]
Sapovirus is a non-enveloped, positive-sense, single-stranded RNA virus about 7.7kb in size. The virus has a 3'-end poly(A) tail but not a 5' cap. Sapovirus has an icosahedral structure that contains 180 subunits (T=3). The diameter of the capsid is between 27 and 40 nm. [10]
Viral pneumonia is a pneumonia caused by a virus. Pneumonia is an infection that causes inflammation in one or both lungs. Pneumonia is an infection that causes inflammation in one or both lungs. The pulmonary alveoli fill with fluid or pus making it difficult to breathe. [ 1 ]
Shigellosis, known historically as dysentery, is an infection of the intestines caused by Shigella bacteria. [1] [3] Symptoms generally start one to two days after exposure and include diarrhea, fever, abdominal pain, and feeling the need to pass stools even when the bowels are empty. [1]