If you feel like this year’s flu season is a rough one, that’s because it is.

CBS News recently reported that this year’s flu virus is dominated by a particularly nasty strain, H3N2, which has reached almost every corner of the country, causing prolonged illness in many and in some instances, death. The very young and the elderly are particularly vulnerable, and this year’s vaccine may only be about 30% effective because H3N2 tends to mutate quickly.

Citizen scientists across the country a