The United States on Monday passed six million coronavirus cases, according to a tally kept by Johns Hopkins University, adding one million new infections in less than a month.The country remains by far the most impacted in the world by the pandemic in absolute terms, with nearly a quarter of global infections and 183,203 deaths from Covid-19, the Baltimore-based university’s tracker showed.The number of new daily cases has declined in recent weeks, but the virus is far from disappearing in the…