Covid-19 immunity could only last a few months following infection, after a study revealed a decline in protective antibodies. Research by Imperial College London estimated just 4.4% of adults had some form of immunity against Covid-19 in September, when cases…

A senior Conservative has urged fellow MPs to join a new campaign against the “irreparable damage” from Covid-19 restrictions – demanding a return to “life as normal” for most people. The open challenge, mounted by ex-minister Steve Baker, underlines the…