When a specific bacterial or viral cause is found, the doctor will change the treatment accordingly.

Testing for the specific viral cause can be done but has little effect on management and thus is not routinely recommended.

The viral cause for this cancer was discovered in 1994.

They insist it is a physical disease, which probably has a viral cause.

No university or scholarly site I can find mentions a viral cause.

But there is no specific treatment for the common viral causes of conjunctivitis.

Efforts to define a viral cause have not been successful.

It is the most important viral cause of respiratory infection in foals.

Many childhood diseases have bacterial or viral causes and include a rash of some type.

Adenovirus - the most common of the viral causes.