2 ms·
That may be what happens most of the time, but not always https://upload.wikimedia.org/wikipedia/commons/9/9a/1918_spanish_flu_waves.gif https://upload.wikimed
by the8472 7y ago
That may be what happens most of the time, but not always
https://upload.wikimedia.org/wikipedia/commons/9/9a/1918_spanish_flu_waves.gif https://upload.wikimedia.org/wikipedia/commons/9/9a/1918_spa...