LONDON, April 10 (Reuters) - International vaccines group GAVI has struck a deal for bulk buying rotavirus shots from GlaxoSmithKline and Merck which cuts the price by two-thirds and will allow poorer countries access to them at around $5 per course.
The vaccines, GSK's Rotarix and Merck's Rotateq, combat the main cause of diarrhoea - the second-largest killer of children under the age of five worldwide.
Because rotavirus-related diarrhoea kills more than 500,000 children a year, the World Health Organisation (WHO) recommended in 2009 that all countries should include rotavirus vaccines in national immunisation programmes, but many developing countries struggle to afford them.
The Global Alliance for Vaccines and Immunisation (GAVI) said on Tuesday its cut-price deal would allow it "to respond to ever-increasing demand from developing countries" and provide the shots this year for 3 million children in eight poor countries.
By 2016, GAVI said it planned to roll out the vaccines in more than 40 of the world's poorest countries, immunising more than 70 million children.
Around 95 percent of the contracted supply of 132 million doses will be procured at a cost of $5 per two-dose course, GAVI said in a statement. This is a two-thirds price cut compared to the previous lowest price offered to GAVI of $15 a course.
In the United States, the same vaccine course costs public institutions $177 and private health providers $213.
GAVI is a Geneva-based public-private partnership backed by the Bill & Melinda Gates Foundation, the WHO, the World Bank, UNICEF, international donor governments and others. It funds bulk-buy immunisation campaigns for poorer nations that can't afford vaccines at rich-world prices.
Its chief executive Seth Berkley said the deal showed how GAVI's model was working to the benefit of some of the world's most disadvantaged children.
"We strive to make our donors' funds go further so we can help developing countries protect more children against deadly diseases," he said in a statement.
The WHO says vaccination is one of the most cost-effective public health measures. It estimates that 2 to 3 million deaths are averted each year with immunisation.
GAVI had previously been struggling to get enough donor funding to sustain its programmes, but it got a hefty boost last year when international donors led by Britain and the billionaire philanthropist Bill Gates pledged $4.3 billion to support it.
A spokesman for GSK, which will supply 95 percent of the GAVI contracted doses, said the British drugmaker was glad to be contributing to efforts against preventable diseases. "Rotavirus vaccine has demonstrated real-world, life-saving impact on reducing deaths," he said. "We have a chance here to collaborate in programmes designed to protect millions of children."