한국의 자가격리 논리가 이해가 안 됨

Fake Covid-19 Vaccination Record Cards Are A Growing Problem,

https://www.forbes.com/sites/brucelee/2021/05/01/fake-covid-19-vaccination-record-cards-are-a-growing-problem-says-fbi/?sh=5b4506d82d6d

California Man Arrested In Suspected Fake COVID-19 Vaccine Card Operation

https://www.npr.org/2021/05/08/994967439/california-man-arrested-in-suspected-fake-covid-19-vaccine-card-operation

Officials are urging people not to forge Covid-19 vaccine cards

https://www.cnn.com/2021/05/08/health/forged-covid-19-vaccine-cards-warning/index.html