Americans need to be prepared for the possibility that they may feel a little unwell.<br />After you get a coronavirus vaccine, if one is authorized, you may experience some negative side effects.<br />The CDC met to discuss whether to recommend the use of any Covid-19 vaccines.<br />The US Food and Drug Administration or FDA is the agency that might authorize one.<br />Volunteers in vaccine trials have reported they frequently feel flu-like effects after getting vaccinated.<br />This could affect people's willingness to get vaccinated in the first place.