This week San Diego County narrowly avoided more business closures and school reopening delays. The region's case rate placed us just below a threshold that would've triggered restrictions yet again.The back and forth over what can open and when has left San Diegans with many questions about reopening — and we asked you to share them with us. KPBS Health Reporter Tarryn Mento collected our audience's questions and asked infectious disease specialist Dr. Christian Ramers to reply.