2. Sore Throat : Viral sore throat
Viruses cause 90–95% of all sore throats. Cold and flu viruses are the main culprits. These viruses cause an inflammation in the throat and occasionally the tonsils ( tonsillitis ). Cold symptoms almost always accompany a viral sore throat. These ...
Healthline.com (OMS Preferred Provider)

3. Pharyngitis - viral - Shands Healthcare
Viral pharyngitis is inflammation of the pharynx (the part of the throat between the tonsils and the larynx).
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4. Pharyngitis, Viral: eMedicine Infectious Diseases
Viral pharyngitis can be caused by numerous viruses. Acute pharyngitis is an inflammatory syndrome of the pharynx and/or tonsils caused by several different groups of microorganisms. Pharyngitis can be part of a generalized upper...
emedicine.medscape.com