About the occurrence of vaccination cases five months after the third vaccination in the new corona vaccination

The fourth vaccination coupons is shipped based on the date of the third vaccination record registered by the medical institution in the national vaccination record system (VRS).
When we sent the fourth vaccination coupons of the new corona vaccine on May 20, there were inquiries from citizens about the third vaccination date.As a result of checking the situation in Motoichi, the country registered at a medical institution It turned out that there was a case where the third vaccination date of the vaccination record system (VRS) was different from the actual vaccination date.
As soon as it was found, the city immediately alerted the relevant person, but five citizens were inoculated before five months passed since the third inoculation.