As millions of people across the United States and around the world are self-isolating in an attempt to slow the spread of COVID-19, Dr. Dena Grayson, a medical doctor, scientist, and expert on deadly pandemic diseases, says we are currently in the “first wave” of coronavirus infections.

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Dr. Grayson predicts that as summer approaches in the Northern Hemisphere, the Southern Hemisphere will become the new “hot zone” for COVID-19 as it becomes their winter season. “Come next flu season when it starts in that kind of October time-frame, we expect that this virus will kind of boomerang back here to the north, causing a second, even worse wave of infections.”

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Dr. Grayson says she has been calling for a nation-wide lockdown for the past several weeks, because without any proven treatments, “The only defense we have against this virus right now is to shelter.”

Watch the video above to find out why she says staying at home will help save lives. And later, what does Dr. Grayson say about current efforts to develop both a coronavirus vaccine and treatments for COVID-19?

Check here to find out where you can see more from Wednesday’s Dr. Phil.

Information regarding the evolving coronavirus pandemic changes daily, as those studying and responding to the disease acquire more data. For the most up-to-date information on COVID-19, please visit the Centers for Disease Control And Prevention (CDC) website at

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