Some doctors believe that pityriasis rosea is caused by a viral or bacterial infection.
The three most common types of conjunctivitis are: viral , allergic and bacterial.
Weblogs are a viral medium of expression, spread by contact with webloggers.
Neither do attacks appear viral or worm-like in nature, as had been suspected.
It's a shame really, because the viral nature of the webnetthingy could have one of two profound effects on politics.
Further tests should show whether the whale had any bacterial or viral infection.
The resulting viral spread of hype ensured that their debut album became the fastest selling record in British history.
Such infections would include viral and intracellular bacterial infections.
Oral herpes is a viral infection that affects the mouth, throat, and parts of the face.
Symptoms and signs of influenza in children are not specific and can mimic a range of other common respiratory viral pathogens.