<prompt> Mastitis in infants ?Treated with antibioticsMore common in boysIt is a congenital infectionMost common organism is E Coli  <response>: Ans. is a i.e., Treated with antibioticsMastitis infection of breast tissue typically occurs in infants after 2 months of age. During the first 2 weeks of life, it occurs with equal frequency in males and females; thereafter, it is more common in girls, with a female:male ratio of approximately 2:1.The majority of cases of neonatal mastitis are caused by Staphylococcus aureus; less common causes include gram-negative enteric organisms e.g. Escherichia coli, Salmonella, anaerobes, and Group B Streptococcus 