3-6 points on first infection. 2 points after an additional infection. https://www.scientificamerican.com/article/covid-19-leaves-its-mark-on-the-brain-significant-drops-in-iq-scores-are/

An engineered virus that drops your IQ and gives you extreme fatigue, infecting the whole world right before the fascists try to take over all across the globe. Probably just a coincidence.