A 1-year-old infant has biphasic stridor, barking cough and difficulty in breathing since 3-4 days. He has high-grade fever and leukocyte count is increased. Which of the following would not be a true statement regarding the clinical condition of the child?
A
It is more common in boys than in girls
B
Subglottic area is the common site of involvement
C
Antibiotics are mainstay of treatment
D
Narrowing of subglottic space with ballooning of hypo-pharynx is seen