②
『Thus, the enhanced number of tourists traveling throughout the country cannot be attributed solely to the campaign.
Another issue is that the severity of the epidemic was increasing in urban prefectures during the periods examined, which were not included in our analysis.』
①
『Our descriptive analysis was too simplified to be able to conclusively determine a causal relationship between the tourism campaign and COVID-19 incidence in Japan.
In particular, it must be acknowledged the Go To Travel campaign started during a 4-day holiday period.』