For scientists, path to COVID endgame remains uncertain

Is it over, or are there years to come? The truth is, it's quite hard to figure out right now, especially for scientists. Yes, vaccines are being rolled out worldwide, but their distribution remains highly unequal, and fears of new variants showing up remain at the forefront of the epidemiologist community. However, there are also other experts who say there is a lot to be optimistic about. So, which one is it? Marc Fisher hears from both sides and tries to determine how we should expect the pandemic to develop in the upcoming months.