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Laboratory diagnosis of viral infections. Purpose. test for viral infection. In the diagnostic laboratory, virus infections can be confirmed by a myriad of methods. Diagnostic virology has changed rapidly due to the advent of molecular techniques and increased clinical sensitivity of serological assays. [1]
Specialty. Infectious diseases. Herpes simplex encephalitis ( HSE ), or simply herpes encephalitis, is encephalitis due to herpes simplex virus. It is estimated to affect at least 1 in 500,000 individuals per year, [ 1] and some studies suggest an incidence rate of 5.9 cases per 100,000 live births. [ 2]
Viral encephalitis is inflammation of the brain parenchyma, called encephalitis, by a virus. The different forms of viral encephalitis are called viral encephalitides. It is the most common type of encephalitis and often occurs with viral meningitis. Encephalitic viruses first cause infection and replicate outside of the central nervous system ...
Viremia is a medical condition where viruses enter the bloodstream and hence have access to the rest of the body. It is similar to bacteremia, a condition where bacteria enter the bloodstream. [1] The name comes from combining the word "virus" with the Greek word for "blood" ( haima ). It usually lasts for 4 to 5 days in the primary condition.
Respiratory syncytial virus ( RSV ), [a] also called human respiratory syncytial virus ( hRSV) and human orthopneumovirus, is a contagious virus that causes infections of the respiratory tract. It is a negative-sense, single-stranded RNA virus. [2] Its name is derived from the large cells known as syncytia that form when infected cells fuse.
Viral disease testing. Viral disease testing is the use of a variety of testing techniques for a variety of purposes, including diagnosing conditions, assessing immunity and understanding disease prevalence. The primary approaches include DNA / RNA tests, serological tests and antigen tests.
A throat culture is the gold standard [22] for the diagnosis of streptococcal pharyngitis, with a sensitivity of 90–95%. [14] A rapid strep test (also called rapid antigen detection testing or RADT) may also be used. While the rapid strep test is quicker, it has a lower sensitivity (70%) and statistically equal specificity (98%) as a throat ...
Infectious diseases. Gram stain of bacteria: a test frequently performed in infectiology to distinguish between different types of bacteria. Infectious diseases ( ID ), also known as infectiology, is a medical specialty dealing with the diagnosis and treatment of infections. An infectious diseases specialist's practice consists of managing ...