The US is dependent on tough mitigation measures, including social distancing and restricted movement, to stem the tide of the coronavirus pandemic, a top health expert has said as the number of Covid-19 infections in the country crossed 180,000 and fatalities surged past 3,800.
President Donald Trump on Tuesday extended the social distancing measures for another 30 days till April 30 as the country is expected to face the peak in coronavirus cases around the middle of April.
Despite the best efforts by top American scientists and researchers, the US so far has not been able to come out with a vaccine