Sometimes it is useful to review what is not being talked about.  In this case, consider vaccinations as not being discussed.  Taiwan has had a low number of weekly vaccinations until about 10-days ago.  Now, remember coincidence is not causation, but it sure makes one suspicious.

https://www.scmp.com/news/china/science/article/3133758/coronavirus-taiwan-sees-cases-continue-rise-rapidly-333-new?utm_medium=email&utm_source=mailchimp&utm_campaign=enlz-scmp_international&utm_content=20210517&tpcc=enlz-scmp_international&MCUID=c90e7589ef&MCCampaignID=f1fb4aa449&MCAccountID=3775521f5f542047246d9c827&tc=7