Upper respiratory tract infections, , are the illnesses caused by an acute infection which involves the upper respiratory tract: nose, sinuses, pharynx or larynx. Acute upper respiratory tract infections include rhinosinusitis , sinusitis, pharyngitis/tonsillitis, laryngitis and sometimes bronchitis. Symptoms of URTI's commonly include nasal congestion, cough, running nose, sore throat, fever, facial pressure and sneezing. Onset of the symptoms usually begins after 1-3 days after exposure to a microbial pathogen,...
You don't get an infection from singing too much. You could strain your vocal cords, but no infection. You get infections from letting your immune system get run...