King's Lynn solicitor takes part in Novavax trial for new jab, which claims to have 89.3% efficacy with new variant | Updated: 14:46, 03 February 2021 Lisa Austin, 34, a solicitor at Ward Gethin Archer in Lynn took part in the Novavax clinical trials for a new Covid-19 vaccine due to be rolled out later this year. Novavax have been working on a new protein based vaccine that claims an 89.3 per cent efficacy with the new variant and has shown positive results in phase two trials in South Africa against the most recent variant seen in Kent, called the South Africa Escape strain. Lisa Austin took part in the Novavax vaccine clinical trials last October. Picture: Ian Burt. (44194998)