Initially, enduring COVID had one redeeming quality: It gave you some short-term immunity from getting infected again.
But the new omicron subvariants are shattering that trend. BA.5 has caused more people to catch COVID for the second or third time than previous strains.
BA.5 is known for having a structure that is maximized to evade immunity and for transmitting from person-to-person more easily than other subvariants in the omicron family.