SEPTEMBER is HUNGER ACTION MONTH in PENNSYLVANIA and across the USA. Support Chi Delta Rho in our COVID 19 RELIEF FOOD DRIVE. Contact me to donate non-perishable food items OR donate to… https://t.co/1WvySXgr7E
@HaleyAVelasco @rebaker64 @Princeton If anti-bodies only last for a limited amount of time (2-3months, I’ve read) and we can catch the virus multiple times, is that “herd immunity”?