A virus is a microscopic infectious agent that reproduces inside the cells of living organisms and can cause a wide array of diseases in its host.
Usage examples
Researchers are working tirelessly to find a cure for the coronavirus, a highly contagious virus that has caused a global pandemic.
It is essential to install a reliable antivirus software on your computer to protect it from malicious viruses that could potentially damage your files and steal sensitive information.
The common cold is caused by a variety of rhinoviruses, which are one of the most common types of viruses found in humans.
In the field of biology, scientists study bacteriophages, a type of virus that infects bacteria and plays a crucial role in various microbial ecosystems.
The Ebola virus, a severe and often fatal illness, gained international attention during the 2014 outbreak which heavily affected countries in West Africa.
This group focused on producing a preliminary list of viruses of concern to humans and food animals. (callistoproject.eu)
Given these results, the authors write, continued surveillance of influenza viruses in birds remains essential. (sciencedaily.com)
Scientists previously have shown that antibodies directed at the stem stop a diverse array of influenza viruses from causing an infection, and some are being developed as treatments. (sciencemag.org)