Virus transmission refers to the process by which a virus spreads from one host to another. This can occur through various routes, including direct contact with an infected person, inhalation of respiratory droplets, or contact with contaminated surfaces. Common viruses, such as the influenza virus or coronavirus, can easily spread in crowded places where people are in close proximity. Preventing virus transmission involves practicing good hygiene and taking precautions. Washing hands regularly, wearing masks in crowded settings, and avoiding close contact with sick individuals can help reduce the risk of infection. Vaccination is also an effective way to protect against certain viruses, such as the measles virus or COVID-19.