The United States logged record one-day Covid deaths on Thursday. According to the Johns Hopkins University tracker, the worst hit country recorded more than 3,900 fatalities in the last 24 hours. It's the most number of deaths US has seen in a single day since the start of the pandemic. Close to 1.9 lakh new infections have also been recorded in the same period. That brought the US total to close to 2 crore infections and over 3.4 lakh deaths since the pandemic began.