Indoor activities ranked from safest to least safe, according to the CDC Illustration picture shows the outside terraces of bars and restaurants, Saturday 08 May 2021, in Brussels. Restaurants and bars remained closed for almost seven months due to the Covid-19 pandemic and can reopen Today their outside space for customers. BELGA PHOTO HATIM KAGHAT (Photo by HATIM KAGHAT/BELGA MAG/AFP via Getty Images) by: Dr. Mary Gillis, D.Ed. Posted: May 10, 2021 / 09:05 PM EST INDIANAPOLIS (WISH) – Mask mandates are lifting and the world is nearing normal. But we’re not there yet. The following is a list of the Centers for Disease Control’s indoor activities ranked from safest to least safe based on if a person is vaccinated or not.