id author title date pages extension mime words sentences flesch summary cache txt cord-288304-80bn2wgd Sun, Y. The effect of non-pharmaceutical interventions (NPIs) on the spread of COVID-19 pandemic in Japan: A modeling study 2020-05-23 .txt text/plain 2731 161 59 Compared to the official reports, which showed that the peak number of existing infected cases was 11,869 on April 27, these results indicated that 1) NPIs took in Period II might reduce more than 50% of the daily contacts per people compared to that before COVID-19; 2) owing to the effects of NPIs, the Japanese society had avoided collapse of medical service, which had been seen in Italy during the same period (Remuzzi & Remuzzi, 2020) ; 3) the of Period II was close to that reported in China before March 2020 (Chinazzi et al., 2020) . Compared to the official reports, which showed that the peak number of existing infected cases was 11,869 on April 27, these results indicated that 1) NPIs took in Period II might have reduced about 80% of the daily contacts per people compared to that before COVID-19; 2) owing to the effects of NPIs, the epidemic transmission may mainly have occurred through family contacts . ./cache/cord-288304-80bn2wgd.txt ./txt/cord-288304-80bn2wgd.txt