abc news reporter zareen shah has a look at the very latest research. three new studies from the centers for disease control highlight the importance of getting a booster shot to offer the best protection against the omicron variant that third shot reduces the risk of hospitalization by 94% when it comes to the delta variant and 82% for omicron. these boosters are dramatically reducing your risk of ed visits hospitalizations and deaths and even if people see these breakthrough infections among vaccinated those are mostly asymptomatic or mild. so impact really in our unboxing population a separate study finds if you are completely unvaccinated. you are 14 times more likely to be infected and 53 times more likely to die when compared to those who are boosted protection against infection and hospitalization with the omicron variant is highest for those who are up to date with their vaccination the us recording over 18 million new cases in the last month alone more than a quarter of the nation's total number of room covid-19 cases reported since the beginni