Or, as a more dramatic example, suppose infection #1 gives a 50% of long Covid. Infection #2, in a patient without long Covid, gives a 1% risk of long Covid. Yo

Or, as a more dramatic example, suppose infection #1 gives a 50% of long Covid. Infection #2, in a patient without long Covid, gives a 1% risk of long Covid. Your cumulative risk of long Covid after 2 infections is 50.5%, which is greater than 50%.