GlaxoSmithKline (GSK) Biologicals is the Belgium-based human vaccine research arm of GlaxoSmithKline. The company is working to develop or improve vaccines to cover a range of global diseases including HIV, influenza, malaria, and tuberculosis. Much of the company's research focuses on increasing vaccine access to developing countries. GSK Biologicals has partnered with WHO and UNICEF to extend its reach into poorer regions and eliminate disease. GSK Biologicals is involved with the worldwide search for vaccinations against avian flu and malaria.