This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
The most frequent cause of scalded skin syndrome is: 
Select and explain. 
A. Staphylococci, B. Pneumococci, C. Enterococci, D. Meningococci
A: Staphylococci
Answer: A: Staphylococci 
Explanation: Ans. is 'a' i.e., Straphylococci(Ref: Harrison, 18th/e, p. 1164-1167; Ananthanarayan, 9th/e, p. 199)* Staphylococcal scalded skin syndrome (SSSS) is caused by an exfoliative toxin produced by roughly 5% of Staphylococcus aureus. As the syndrome evolves, an initial infection occurs, commonly at a site such as the oral or nasal cavities, throat, or umbilicus.