Just as the majority of people who catch the flu don't get tested for it, only the serious cases do. So we know covid19 spreads much easier than the flu and is

Just as the majority of people who catch the flu don't get tested for it, only the serious cases do. So we know covid19 spreads much easier than the flu and is orders of magnitude deadlier than the flu for those that get tested/confirmed compared to those that get tested/confirmed with the flu.