<prompt> Kopliks Spots are seen in -RubeolaRubellaDiphtheriaPolio  <response>: Ans. is a i.e., Rubeola Clinical features of measles rubeolao Clinical features are divided into following stages :-1 Prodromal stage It begins 10 days after the infection and is characterized by fever, coryza with sneezing, lacrimation and photophobia. A day or two before eruptive phase appearance of rash, Koplik spot pathognomonic of measles appears on buccal mucosa, opposite the 1st and 2nd lower molars.2 Eruptive phase It begins 14 days after infection. A maculopapular rash begins behind the ears and spreads rapidly.3 Post measle stage It is characterized by weight loss, growth retardation, diarrhea, cancrum oris, candidiasis, reactivation of TB and malnutrition particularly vitamin A deficiency keratomalacia, xerophthalmia. 