Four months and 100,000 deaths: the defining Covid-19 moments in the US – timeline

In just four months, Covid-19 has upended life in the US, ravaging cities and businesses and overwhelming hospitals woefully unprepared. What started as a single infection in Washington state ballooned until the US became the global hotspot for Covid-19, with exponentially more confirmed cases than any other nation. Mixed messages from Donald Trump and his administration have caused confusion over when or if Americans will return to life as…