The strain, which was first detected in India, has wreaked havoc in the United Kingdom, where it now makes up 91 percent of all new cases. Covid cases in that country surged by 109 percent in a single week, with the government now considering extending lock down restrictions by another month. The UK is headed for a 3rd Covid wave and, at the current rate, could have 80,000 new cases a day by mid-July. Stoking fears, a study by Public Health England shows 29% of 42 people who have died after catching the new strain had received both of their...