A case of prosthetic valve endocarditis and aortic abscess due to Bacillus cereus.

is commonly found in the environment and is often considered a blood culture contaminant. However, in patients with specific risk factors such as intravenous drug use, central venous access catheters, immunosuppression, or prosthetic valves, can cause severe infections. Herein, we present a case of prosthetic valve endocarditis (PVE) caused by in an 84-year-old woman with a history of aortic valve replacement for aortic stenosis five years earlier.

A case of left leg necrotizing fasciitis caused by in a healthy Japanese man.

•We experienced a case of necrotizing fasciitis (NF) due to Group A streptococcus in a healthy Japanese man.•Cutaneous manifestations with NF can be initially minimal.•It is important to recognize that one of the characteristic symptoms of NF is severe pain out of proportion.