reporter: in massachusetts, one trauma center at umass memorial running out of beds. there s 75 patients waiting in the e. repd for a bed, e including seven icu patients. and there s really no end in sight, which is the scary part for all of us. reporter: and hospitalizations in connecticut more than doubling in the last month. right now, 100% of our patients who are admitted to the hospital at greenwich hospital, 100% are unvaccinated. evy dattle bit like going into battle. and we recognize that this is not over yet. reporter: this current wave driven by the highly transmissible delta variant. and tonight, dr. walensky warning about the impact of another highly contagious variant like omicron. if we have a much more transmissible variant, you end up with a much larger population of people with disease. and then even small amounts of that very large population that end up in hospital, you end up with a real crisis at the hospitalization level and potentially lots of poor