When he first saw a map of malaria's range, Mann says it was as if the scales had fallen from my eyes. That range extends almost precisely to the Mason-Dixon Line, along which the American Civil War broke out in 1861, between the slave-holding states of the South and the Union soldiers of the North.
Opened yogurt will typically stay at peak quality for 5 to 7 days after opening, but will generally remain safe to consume for at least 1 to 2 weeks after the sell by date on the package, provided it has been properly stored- discard entire package if any sign of mold appears.
1 To further extend the shelf life of yogurt, freeze it in a covered airtight container.  How long does yogurt last in the freezer for safety purposes? The freezer time shown is for best quality only â foods kept constantly frozen at 0Â° F will keep safe indefinitely.