Search results
Results from the WOW.Com Content Network
A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. [ 1 ] Examples are the common cold , gastroenteritis and pneumonia .
Antigen detection, polymerase chain reaction assay, virus isolation, and serology: Most infections are mild and require no therapy or only symptomatic treatment. Under research [1] Trypanosoma brucei: African sleeping sickness (African trypanosomiasis) Identification of trypanosomes in a sample by microscopic examination
In addition, a person is sometimes infected with both hepatitis B virus (HBV) and HIV, and this population (about 2.7 million) accounts for about 1% of the total HBV infections. [ 23 ] Hepatitis C : According to the World Health Organization, there are approximately 58 million people with chronic hepatitis C, with about 1.5 million new ...
Another, more rare, example is the varicella zoster virus, which, although causing relatively mild infections in children and adults, can be fatal to the foetus and newborn baby. [ 117 ] Horizontal transmission is the most common mechanism of spread of viruses in populations. [ 118 ]
The presence of the virus in Massachusetts this year was confirmed last month in a mosquito sample, and has been found in other mosquitoes across the state since then. In a 2019 outbreak, there ...
Some viral infections can also be latent, examples of latent viral infections are any of those from the Herpesviridae family. [55] The word infection can denote any presence of a particular pathogen at all (no matter how little) but also is often used in a sense implying a clinically apparent infection (in other words, a case of infectious ...
Examples of nucleoside analogues are aciclovir for herpes virus infections and lamivudine for HIV and hepatitis B virus infections. Aciclovir is one of the oldest and most frequently prescribed antiviral drugs. [91] Other antiviral drugs target different stages of the viral life cycle.
An example of this is herpetic whitlow, which is a herpes infection on the fingers; it was commonly found on dental surgeon's hands before the routine use of gloves when treating patients. Shaking hands with an infected person does not transmit this disease. [24] Genital infection of HSV-2 increases the risk of acquiring HIV. [25]