General and Otolaryngological Symptoms
The following general and ear, nose, and throat symptoms were collected and rated (from 0=no symptom to 4=severe symptom): cough, chest pain, dyspnea, headache, fever, fatigue, loss of appetite, myalgia, arthralgia, nausea, vomiting, diarrhea, excessive sticky sputum, skin manifestations (urticaria), conjunctivitis, nasal obstruction, postnasal drip, rhinorrhea, sore throat, facial pain, ear pain, dysphagia, dysphonia and dysgeusia. Dysgeusia was defined as the impairment of salty, sweet, bitter and sour.