However, we are hearing from readers that it's not working this way for everyone. A spokesperson told us on Feb. 10 that someone from the Ralphs Pharmacy team should reach out to you with a second dose appointment "as we get closer to the timeframe for when the second dose should be administered (usually around 4 weeks)." Ralphs guarantees second doses to anyone who got their first shot through the grocery store, according to a spokesperson. What if the Vaccine Site Is Closed on the Day of My Appointment? Some sites - like Orange County's Disneyland POD - have had to close temporarily at times, due to a lack of vaccine supply