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Current travel patterns suggest that in 2020 there will be about 190 million susceptible individuals travelling from significant economies to regions at risk of TD. Under current conditions, 20% - 90% of these individuals would be expected to develop TD within two weeks of arrival. Similar numbers of individuals are likely to visit regions at intermediate risk of TD and about 8 _ 20% of these individuals would be expected to develop TD.
Antibiotics are frequently prescribed to treat infection and anti-diarrhoeal agents are used to treat the symptoms, but at present there is no commercially available vaccine to address Campylobacter jejuni.
ACE BioSciences
ACE BioSciences is an emerging pharmaceutical company focused on developing novel protein-based vaccines and antibodies to address infectious diseases. It has unique expertise in the extraction and analysis of the cell surface proteins used by pathogens (eg bacteria, viruses and fungi) to interact with and infect human host cells. ACE BioSciences aims to develop a portfolio of products independently and in collaboration with other companies. In addition to ACE393, the company is working on a vaccine for Streptococcus pneumoniae, the bacterium responsible for Pneumococcal disease. The market for a Streptococcus product would be multibillion and ACE BioSciences aims to partner the project in the coming year. The company recently began work on a programme to address ETEC (enterotoxigeneic E coli), which is the primary cause of TD around the world.
In December 2005, ACE BioSciences announced a collaborative
agreement with the Aeras Global TB Vaccine Foundation whereby ACE
BioSciences will support the characterization of second-generation
BCG-based tuberculosis (TB) vaccines under development by Aeras. In
November 2005, ACE BioSciences and the Dutch bi
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