most adults fully vaccinated for the first eight months will qualify. a top priority, protecting health care workers, nursing home residents, and seniors who were vaccinated first. the booster shot, a third dose of the same formula and vaccine for those who were fully inoculated with pfizer or moderna. >> it will be easy. just show your vaccination card, and you'll get a booster. >> reporter: for those vaccinated with johnson & johnson, a booster will likely be needed, but for now there's simply not enough data, citing a multiple variety. the cdc released complex charts and bar graphs containing data from pfizer and moderna. the takeaway is simple. your chances of catching the virus increased. still, effectiveness against hospitalization while slightly decreasing remains relatively high. perhaps the biggest concern, the