It depends on what virus it is. Some viruses, like the West Nile virus, aren't contagious. Other viruses are contagious.
Yes, viral infections are contagious. If you cough on somebody or kiss someone you could spread it.
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Yes, a viral chest infection can be contagious, especially during the initial stages when the viral particles are actively replicating in the respiratory system. It can spread through respiratory droplets from coughing or sneezing, close contact with an infected person, or touching contaminated surfaces. It is important to practice good hygiene and take precautions to prevent the spread of the infection.
Measles is neither a fungi nor a bacteria; it is a highly contagious viral infection caused by the measles virus.
No, measles is a highly contagious viral infection that spreads through respiratory droplets when an infected person coughs or sneezes. It is not transmitted through food or water.
Rubella is not a virus, it is a contagious viral infection caused by the rubella virus.
Polio is a childhood disease that causes infantile paralysis. It is a highly contagious viral infection that can lead to paralysis and can be prevented through vaccination.
Crabs are caused by a parasitic infection, not a bacterial or viral infection. They are commonly known as pubic lice and infest human pubic hair.