Thursday marks the second Thanksgiving during the coronavirus pandemic. Many grandparents are excitedly planning to see their grandchildren. Friends are dressing their dining tables for turkey and loved ones. Some people have flights booked or road trips scheduled. But in the background, COVID-19 case numbers are inching upward across the United States and millions of Americans remain unvaccinated -- leaving some people worried about the possible COVID-19 risks that could come with their Thanksgiving plans. If you have concerns, experts say there are some important questions to ask to help weigh your risk: Will those around you be vaccinated? Have they been tested? Should you open windows when indoors?