Not all of the billions of dollars given by the Bill and Melinda Gates Foundation to boost global health have been wisely spent, one of Britain's top medical journals said on Friday.
While praising the outsized philanthropy of the Microsoft founder and his wife, The Lancet said grant-giving was flawed by "whimsical governance" and failed to "reflect the burden of disease endured by those in deepest poverty."
The editorial accompanies an in-depth analysis of Gates Foundation donations from 1998 through 2007 showing what it describes as "imbalances" in how nearly nine billion dollars of health-related funds were distributed over that period.
University College London professor David McCoy and colleagues point to huge spending on new vaccines and drugs that may or may not work and often take decades to develop.
Helping health care systems in poor countries deliver proven treatments may be a better path to fulfilling the Foundation's goal of reducing the current 10 million annual child deaths by half within two decades, they suggest.
The study also notes that the lion's share of funding has gone to fight AIDS, malaria and tuberculosis, with relatively little spent on "neglected diseases" linked to poverty that are also major killers.
Pneumonia and diarrhoea, for example, together cause 40 percent of all child deaths.
In 2005, the distribution of aid grants from multiple sources -- including the Gates Foundation -- per death was more than 1,000 dollars for HIV/AIDS compared with just over three dollars for non-communicable diseases, they note.