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Comment
. 2021 Apr;82(4):84-123.
doi: 10.1016/j.jinf.2020.10.033. Epub 2020 Nov 2.

First and second COVID-19 waves in Japan: A comparison of disease severity and characteristics

Sho Saito  1 , Yusuke Asai  2 , Nobuaki Matsunaga  2 , Kayoko Hayakawa  3 , Mari Terada  4 , Hiroshi Ohtsu  5 , Shinya Tsuzuki  6 , Norio Ohmagari  3
Affiliations
Comment

First and second COVID-19 waves in Japan: A comparison of disease severity and characteristics

Sho Saito et al. J Infect. 2021 Apr.
No abstract available

Keywords: Characteristics; Covid-19; Mortality; Severity.

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Conflict of interest statement

Declaration of Competing Interest H.O. reports personal fees as a statistician and as an external consultant for clinical trials from EPS International, outside the submitted work. All other authors report no potential conflicts.

Figures

Fig. 1
Fig. 1
Epidemic curve, severity, and days from onset to admission in COVID-19 patients in Japan (a) Epidemic curve and severity from 26 January to 31 July 2020, as recorded in the COVID-19 Registry Japan. (b) Number of days from onset to admission from 26 January to 31 May (first wave) (c) Number of days from onset to admission from 1 June to 31 July (second wave) Abbreviations: COVIREGI-JP, COVID-19 Registry Japan; COVID-19, coronavirus disease.
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References

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