Bar plots like these may raise more questions than answers.
Without any y-axis label what are we to make of this? We don't really have a sense of scale.
Are two months on the x-axis long enough to show correlation or just coincidence?
They show graphs only for select neighbor countries all with a spike on or around around 3/1. What about non-neighbor countries? Could this have been a global phenomenon?
Don't want to pick on the source (in the image alt text), because we see this sort of thing often. Gentle reminder to blog authors that your deep dives may need to go a little deeper if you want us to cite them.




