Advantages: Students have the chance to study at their own pace and time. Students are able to stay near their family during the hard times. Teachers are able to talk to the students and help them individually.
Disadvantages: Too much on-screen time is unhealthy. Technology will sometimes be an issue. Teachers cannot see the students face to face. Staying on task would be a big issue since students can get carried away easily. Teachers will have a harder time explaining material during class time, meaning the students would have greater work outside of class
Hope this helps :)