Girl 'cured of HIV' has virus again

The child, now four, was born in 2010 in Mississippi to an HIV-infected mother who was untreated during pregnancy.

The baby was given a potent dose of antiretroviral medication 30 hours after birth and tested positive for HIV.

She went off her medication to suppress the human immunodeficiency virus when she was 18 months old, but somehow remained disease-free, showing no detectable level of the virus for more than two years.

Her case raised hopes that doctors may have found a way to cure young children who are born HIV-positive, simply by treating them with drugs early.

"Certainly, this is a disappointing turn of events for this young child, the medical staff involved in the child's care, and the HIV/AIDS research community," said Dr Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases.

The girl was tested during a routine clinical care visit earlier this month, and was found to have detectable