Mayor Megan Sladek found her city at the center of the spike that encompassed most of Seminole County and released data showing that a younger population was at the center of the recent positive cases propping up those statistics. In her post, Sladek referred to herd immunity, saying that the young demographic had been wildly successful at trying to attain such immunity. Typically, at least 70% of a population must be immune to achieve herd immunity. (Seminole County)[RELATED: Oviedo at center of Seminole County coronavirus hot spot]New data shows there were 264 new positive cases of COVID-19 in Seminole County from June 8-15. Age breakout of new patients is as follows: 5 patients aged 0-10 43 patients aged 11-20 114 patients aged 21-30 36 patients aged 31-40 27 patients aged 41-50 14 patients aged 51-60 15 patients aged 61-70 7 patients aged 71-80 2 patients aged 81-90 1 patient aged 91-100Total patients hospitalized currently are on the rise, with 17 patients hospitalized today, up from five last Wednesday.