At the latest briefing from the Shelby County COVID-19 joint task force, health officials said the higher transmission of COVID-19 we once saw in more populated areas of Memphis are now moving to the outskirts of the city and into suburban areas which is a natural progression they say.“Within our county, it’s mostly in the suburbs that border those counties with no mask mandates where we’re really seeing a surge in cases,” said UTHSC Infectious Disease Specialist Dr. Jon McCullers.