In race for Ebola vaccines, technical hurdles loom large

By Ben Hirschler LONDON (Reuters) - Drugmakers sprinting to develop Ebola vaccines face a series of technical hurdles if they are to get millions of doses ready for use next year -- even assuming clinical trials are successful. The challenges include finding sufficient sterile capacity for filling and packaging finished vials, getting fast quality approvals from regulators, and building a supply chain in Africa for products that must be stored at minus 80 degrees Celsius. ...

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