SEMINOLE COUNTY, Fla. – There is promising news of a COVID-19 vaccine on the horizon but Central Florida emergency management leaders said there are also plenty of unanswered questions.Seminole County Emergency Manager Alan Harris said he doesn’t know which company’s shot will be approved, how many doses the state will get or what storage will look like for the vaccine.He said he and his team are doing what they can to prepare for the unknown.[TRENDING: Puppy pried from gator’s mouth doing OK | Florida Rep says Trump should pardon himself | 15-year-old girl dies after overdosing]“We did a full-scale exercise using the flu vaccine, identified some gaps and purchased some equipment to fill those gaps, including an ultra-cold freezer, a.