Why Covid waves are still happening throughout the year
“Every one of these subvariants is distinct enough that a whole swathe of people are no longer immune to it and it can infect them. That’s why you see this constant undulatory pattern which doesn’t look seasonal at all,” he says. Adding in seasonal factors, such as cooler weather forcing people indoors and children returning to school, and the conditions are frequently conducive to a new wave.”
Every one of these subvariants is distinct enough that a whole swathe of people are no longer immune to it and it can infect them. That’s why you see this constant undulatory pattern which doesn’t look seasonal at all,” he says.Adding in seasonal factors, such as cooler weather forcing people indoors and children returning to school, and the conditions are frequently conducive to a new wave.