Coronavirus data
This is convincing:

https://ffedd-ya.livejournal.com/96710.html

Plot the total number of deaths (from any cause) in a given region over time. If you see a large surge in early 2020, this shows the effects of the coronavirus. At least in Italy, it is not "just a flu" as some newspapers said not long ago. https://www.washingtonpost.com/health/time-for-a-reality-check-america-the-flu-is-a-much-bigger-threat-than-coronavirus-for-now/2020/01/31/46a15166-4444-11ea-b5fc-eefa848cde99_story.html