The US Covid crisis is deepening. With over 1,60,000 coronavirus cases being reported over the last two days. As hospitalisations due to the Covid Delta surge continue to soar, so has the demand on the oxygen supply. The Centers for Disease Control and Prevention is urging Americans to reconsider their Labor Day travel plans, particularly if they aren't vaccinated. To talk more about this, we are joined by Dr Kartik Cherabuddi, Epidemiologist, University of Florida.