they're claiming six months now because they've had it around that long to test. it could likely be longer.

I think I've found the original quote. Assuming I've got the right one, you're right.

''What we know right now, for sure, is that the vaccine lasts a minimum of six months,” Dr. Linda Yancey, an infectious disease specialist at Memorial Hermann Hospital, said. “We probably will only need booster shots because of the variants.”