by Robin MILLARD GENEVA, Switzerland (AFP) — The World Health Organization on Wednesday urged “extreme caution” for countries considering lifting Covid-19 restrictions, warning that high vaccination rates would not stop transmission of the virus increasing. The UN health agency urged governments not to squander hard-won gains and return to scenes of overwhelmed hospitals and exhausted health workers. Asked about England’s plans to ditch most of its coronavirus restrictions from July 19, WHO emergencies director Michael […]