coronavirus cases in the US has reached 5 million, according to the tally kept by Johns Hopkins University. The number of cases is by far the highest in the world but health officials believe that for every reported case, there are roughly 10 times as many people infected, given the limits on testing and the large number of mild infections that have gone unreported or unrecognised.The bleak milestone was reached as new cases in the US stand at about 54,000-a-day.While that is down from a peak of more than 70,000 in the second half of July, cases are rising in nearly 20 states, and deaths are climbing in most.Many Americans have resisted wearing face masks and social distancing.The United States' failure to contain the spread of coronavirus.