right now the event is vaccinated. kate? thank you. the science of the omicron variant is still evolving. here s what we know right now. omicron is highly transmissible and spreading fast. vaccines or having had covid will not necessarily prevent an omicron infection even if you had the booster. public health officials warned there will be many breakthrough cases. scientists also feel certain vaccines still lessen the severity of illness. even if you do get sick and you were vaccinated you are far less likely to get seriously ill or hospitalized. what is still unclear, how dangerous the variant is overall. there are early signs that it may be more mild. some confidence at the very least that will not be more severe than delta. we may not know for weeks. all of that may complicate your decision on how to spend the holidays especially if you re traveling. in fact, the holiday travel sprint has already begun with airlines expecting twice the number of passengers they had