pharyngoconjunctival fever /fəring′gōkon′jungktī″vəl/ [Gk, pharnyx + L, conjunctivus, connecting, febris, fever] , an adenovirus infection characterized by fever, sore throat, and conjunctivitis. This epidemic illness is particularly prevalent in the summer, and it is spread by droplet infection and direct contact. Contaminated water in lakes and swimming pools is a common source of infection. See also adenovirus.