<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 2-year-old girl presents with a rash on her body. Patients mother says she noticed the rash onset about 5 hours ago. For the previous 3 days, she says the patient has had a high fever of 39.0C 102.2F. Today the fever abruptly subsided but the rash appeared. Vitals are temperature 37.0C 98.6F, blood pressure 9555 mm Hg, pulse 110min, respiratory rate 30min, and oxygen saturation 99 on room air. Physical examination reveals a maculopapular, non-confluent, blanchable rash on her back, abdomen, and chest extending superiorly towards the nape of the patients neck. Which of the following is this patients most likely diagnosis?? A: Measles, B: Rubella, C: Roseola, D: Varicella, E: Erythema infectiosum fifth disease,  <response>: This is a clinical vignette describing a 2-year-old girl with a sudden onset maculopapular rash after having a high fever for 3 days. The key findings are:- 2-year-old girl - High fever for 3 days that abruptly subsided - Sudden onset maculopapular, non-confluent, blanchable rash on trunk and neck - Normal vital signs except tachycardiaBased on the history of high fever followed by a rash after the fever subsides, the most likely diagnosis is roseolaexanthem subitum caused by HHV-6 infection. Measles, rubella, varicella, and fifth disease may present with fever and rash but have other distinguishing features.C: Roseola 