<unk>  is contagious, so anyone in close proximity to someone with the illness, is at risk. Social situations with prolonged close interpersonal contact are associated with a higher incidence of the disease, such as in schools, dormitories, or military barracks. Droplet spread has been postulated as the method of transmission, and outbreaks have been associated with contaminated food and water, but fomites are not thought to play a role. The degree of contagion is probably related.
Pharyngitis risk factors
Strep throat risk factors
Epiglottitis risk factors
Adenoiditis risk factors
Rhinosinusitis risk factors
Cough risk factors
Rhinitis risk factors
Conjunctivitis risk factors