This is almost impossible for a naturally occurring virus to develop immunity to vaccines over the course of a few weeks. The vaxtards lap up the lies like retarded sheeple as the engineered virus continues to mutate at never-before-seen rates, forcing anyone without natural immunity to need another booster. Insane!
http://publichealth.lacounty.gov/phcommon/public/media/mediapubhpdetail.cfm?prid=3359