Originally Posted by RCyyz

The problem here is that 20% of the (eventual) positives were allowed to pass Go. That's 26 people who, on average (effective R0 = 1.5), go on to infect another 39 people who go on to infect another 58.5 people who go on to infect another 87.75 people and before you know it, we have a thousand more cases to deal with.