Alok Sharma giving Downing Street press briefing on coronavirus

The UK government has committed significant funding to support vaccine research and development, including projects at Imperial College London and the University of Oxford. Efforts are underway to accelerate vaccine manufacturing capabilities, with the establishment of the UK's first vaccines manufacturing Innovation Center in Harwell. Collaboration with the Bio Industry Association and various businesses aims to enhance mass production once a vaccine is ready. Despite the challenges, the government is dedicated to backing scientists and maximizing the chances of success in developing a COVID-19 vaccine.

What is the purpose of the UK's first vaccines manufacturing Innovation Center?

What challenges are associated with producing a vaccine as mentioned in the text?