The microorganism Naegleria fowleri, commonly known as the "brain-eating amoeba", has been detected in two drinking water supplies in southwest Queensland.
An 18-month-old boy's left eyelid swelled shut, obscuring his eyeball. His family initially thought it was a sty, but doctors diagnosed it as orbital cellulitis caused by a staphylococcus aureus infection.
Three people have died and at least 67 cases of Legionnaires' disease, a severe form of pneumonia, have been diagnosed in an outbreak in central Harlem, New York.
A 72-year-old woman, Lieu, underwent a second heart valve replacement surgery after an infection damaged her artificial valve implanted 24 years prior.
A 67-year-old man, Hien, suffering from gout for 10 years, developed a widespread infection after undergoing a bloodletting procedure advertised as a "toxin removal" treatment.
A 22-year-old woman, severely obese, was hospitalized with fever, abdominal and hip pain, and quickly became critically ill due to kidney inflammation and rupture, sepsis, and diabetes.