At any time during the culture of a cell strain, cells in the culture may transform, meaning that they are no longer subject to crisis and senescence. However, these cells can be passage indefinitely...
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Two types of vaccine are available against poliomyelitis, inactivated vaccine (IPV, Salk) and a live attenuated oral vaccine (OPV, Sabin). Both vaccine formulations contain all three polio...
Poliovirus is the etiologic agent of the paralytic disease known as poliomyelitis. Poliomyelitis is a contagious disease that spreads through person-to-person contact, mainly via the fecal-oral...
Mumps virus causes nonsuppurative enlargement of one or both salivary glands. It causes a mild childhood disease; complications including meningitis and orchitis are common in...
Influenza (flu) Virus: Classification, Structure, and Diagnosis
Influenza, commonly called "the flu," is a contagious respiratory illness, a very important global public health problem. It causes seasonal flu epidemics yearly and is a critical disease responsible...
Rabies is an infectious viral disease caused by the Rabies virus. It affects humans as well as domestic and wild animals. Rabies virus is an enveloped, single-stranded RNA virus with a...