Kate visits hospital where she was treated for cancer　◆　Mum 'lost trust' in surgeon review hospital　◆　How hunger for a new weight-loss drug is feeding an industry of fakes　◆　Flu vaccine rollout begins as NHS regroups from 'busiest summer'　◆　Doctors vote to take strike action in row over pay　◆　A&E to remain open as doctors' strike called off　◆　'World-first' vaccine designed by artificial intelligence