Deciphering COVID’s Delta variant: Why it’s so serious and one doc’s warning

The Delta variant is now responsible for more than 80 percent of new cases in the United States, according to the CDC. The variant is highly contagious and can be deadly, particularly for unvaccinated people. Straight Arrow News spoke with physician and cardiologist Dr. Payal Kohli for more information about the Delta variant and whether we can expect other variants to emerge.