A Johns Hopkins professor predicts the US will reach herd immunity by April, but many experts aren't so optimistic
5:30am PST - February 20th, 2021 disneyland - Business InsiderSummary List PlacementThe US's daily coronavirus cases have declined 65% in the last month — a record drop in the course of the nation's outbreak. New cases reached an all-time high of 312,000 on January 8. Since then, they've fallen to a weekly average of ar…