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Based on symptoms, ultrasound of the heart: Aspirin, immunoglobulin: No multiple Keratitis: Infectious keratitis generally requires urgent antibacterial, antifungal, or antiviral therapy to eliminate the pathogen. No Kingella kingae: Kingella kingae infection No PRNP: Kuru: Autopsy None No Lassa virus: Lassa fever: Laboratory testing Supportive No
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 include the common cold , gastroenteritis , COVID-19 , the flu , and rabies .
Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular organisms. Viruses are classified by phenotypic characteristics, such as morphology, nucleic acid type, mode of replication, host organisms, and the type of disease they cause.
Virus tropism refers to the virus' preferential site of replication in discrete cell types within an organ. In most cases, tropism is determined by the ability of the viral surface proteins to fuse or bind to surface receptors of specific target cells to establish infection.
See also Comparison of computer viruses. This is an alphabetical list of genera of biological viruses. It includes all genera and subgenera of viruses listed by the International Committee on Taxonomy of Viruses (ICTV) 2022 release. [1] For a list of virus families and subfamilies, see List of virus families and subfamilies.
The exact symptoms of your 24-hour flu will depend on what, exactly, caused the illness. But if you happen to have norovirus, you’ll likely experience the following symptoms, according to the ...
The symptoms are mostly due to the body's immune response to the infection rather than to tissue destruction by the viruses themselves. [15] The symptoms of influenza are similar to those of a cold, although usually more severe and less likely to include a runny nose. [6] [16] There is no vaccine for the common cold. [3]
Orbivirus (virus) Cattle, sheep: Fever, salivation, swelling of face and tongue: Europe, Africa: Vaccination Chagas disease (American trypanosomiasis) Various assassin bugs of subfamily Triatominae: Trypanosoma cruzi (protozoan) Mild symptoms, then chronic heart or brain inflammation: Central and South America: Antiparasitic drugs; treatment of ...