State Actions on COVID-19 Vaccine Verification
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                                                            Iowa,
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                            As the number of COVID-19 vaccinations grows, some states are looking at their vaccination rates to determine when to loosen measures that mitigate the spread of COVID-19, such as venue capacity limits, business closure times, and masking ...