. >> polo sandro value, we thank you. >> dr. sag you?thew is with us, he's a public health doctor in atlanta. doctor, some of the reactions to the doses, four states, iowa, north carolina, georgia, some paused vaccinations, the cdc has acknowledged reports of vaccine recipients experiencing dizziness, lightheadedness, rapid breathing or sweating. normal side effects or something that people should be concerned about? >> well, you know, with any side effects to any vaccine is something we have to pay close attention to. if you look at how people get vaccinated in large numbers, as the numbers increase, you are going to find that people will have side effects. the good news about most vaccines, the side effects are minor, maybe pain at the injection site, fever or chills. when somebody passes out or feels dizzy, yes, that is a rare side effect. and we need to make sure that we have fluids. that patients can actually lay down until the blood pressure comes up. overall, not concerned. again, as you start vaccinating more and more people, you