A lot of people are wondering why #Japan has so few cases of #COVID19. In this commentary, @NathanGrubaugh and I speculate on some possible reasons. (1/n)

https://www.embopress.org/doi/10.15252/emmm.202012481">https://www.embopress.org/doi/10.15...
An important observation made by @NathanGrubaugh is the recent introduction of #SARSCoV2. Note the earlier infections came from China, while ones in March are predominantly from Europe (plus Egypt, USA). Japan has now tightened travel bans. (2/n)

https://nextstrain.org/ncov/global?f_country=Japan">https://nextstrain.org/ncov/glob...
We are grateful for Dr. Hiroshi Iwasaki (my father who is a guru on internet searches) for collecting information from Japanese media, and @HironoriFunabi1 for his informative tweets on this issue https://abs.twimg.com/emoji/v2/... draggable="false" alt="🙏🏽" title="Folded hands (medium skin tone)" aria-label="Emoji: Folded hands (medium skin tone)"> (end)
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