Some nations seem to know what they are doing on the COVID response front, and some don't.Amazingly, it's not the ones you'd think they are.Here's the news from South Africa, as reported by the New York Post:South Africa will no longer impose COVID-19 quarantines and stop most contact tracing — now that as much as 80 percent of the country has gained immunity from previous infections, health officials said.Director General of Health Dr. Sandile Buthelezi announced Thursday in a release that the country will change its strategy to focus on mitigation efforts, the South African reported.“Quarantine has been costly to...