As Delta Variant Soars, Mississippi Sees Most COVID-19 Cases in One Day Since March 

Mississippi State Health Officer Dr Thomas Dobbs looks at Governor Tate Reeves while wearing a mask during a press conference. He is now concerned about the Delta variant that is spreading in the state
Mississippi State Health Officer Dr. Thomas Dobbs, seen here listening to Gov. Tate Reeves respond to a question about the distribution of COVID-19 vaccine during his briefing for reporters in Jackson on Jan. 4, 2021, is warning that COVID-19 cases and hospitalizations are rising after the Delta variant became the predominant strain of the novel coronavirus in the state. AP Photo/Rogelio V. Solis

The Mississippi State Department of Health reported 427 new COVID-19 cases for July 7—the most for any one day since March 13. After a months-long plateau, novel coronavirus cases and hospitalizations are once again rising in the Magnolia State after the more contagious Delta variant became the state’s dominant strain last month.

In a tweet yesterday, State Health Officer Dr. Thomas Dobbs reported findings that, between June 16 and June 25, the Delta variant accounted for about 78% of new cases. That means it was already the dominant strain on June 24 when the state health officer predicted it would overtake the others “in 1-3 weeks.

“Now seeing the predicted rise in case, hospitalizations and COVID like illnesses. If you are not immune, not vaccinated please be careful,” Dr. Dobbs tweeted today.

Last week, White House Coronavirus Task Force Science Officer Dr. David Kessler told Mississippi Free Press reporter Nick Judin that the Delta variant “appears to be more transmittable” than past forms and “is also impacting young people in a way that previous variants have not.”

Lamdba Variant: On Its Way?

Public-health officials in 30 countries, not yet including the U.S., have also detected another variant, the Lambda variant, which they caution could be deadlier than the Delta one.


In Mississippi, daily cases, hospitalizations and deaths remain far below their winter peak, when the state was reporting more than 2,000 cases on some days. But public-health experts are concerned that the recent rise could presage something worse at a time when less than one-third of Mississippians are fully vaccinated and the state ranks last in the nation when it comes to vaccines. Nationwide, about 48% of the population is fully vaccinated compared to just 31% in Mississippi.

A Delta Airlines passenger shot three photos of U.S. Sen. Roger Wicker on a flight with a mask hanging under his chin in October 2020. On July 8, 2021, he claimed “the pandemic is subsiding” even as new COVID-19 cases and hospitalizations rose in Mississippi as the Delta variant spread. Photo courtesy Matt Harringer

On June 22, Mississippi’s seven-day average for new cases fell to 107, the lowest recorded since the third week after the pandemic first arrived in the spring of 2020. Today, the daily case average climbed to 247, the highest point since April 26, 2021.

The number of patients with confirmed hospitalizations for COVID-19 are also up. After falling to a 14-month low of 91 hospitalizations on June 21, Mississippi hospitals now report 180 patients with COVID-19 infections. But rises in hospitalizations typically trail rises in cases by several weeks. The number of long-term care facilities reporting COVID-19 outbreaks is up, too, rising from 19 on July 1 to 28 yesterday.

Despite Mississippi’s low vaccination rates and increasing cases, the state’s senior U.S. senator, Roger Wicker, used his social media accounts today to push for an end to the federal government’s mask mandate on airplanes and other public transportation.

“The pandemic is subsiding and masks are no longer required in most settings. Yet airlines are forcing fully vaccinated individuals to wear a mask or risk losing their seats,” wrote Wicker, who received criticism for having his mask off during an October 2020 flight. In fact, the seven-day average for new COVID-19 cases is currently trending up nationwide as the Delta variant spreads in other states.

‘Vaccines Are Saving Lives’

Dr. Dobbs continues to urge Mississippians to get vaccinated. On June 29, he revealed that unvaccinated Mississippians accounted for 96% of cases, 95% of hospitalizations and 90% of deaths from COVID-19 over the prior month. The COVID-19 vaccine became widely available in Mississippi in early spring, but after an initial rush, demand for the vaccine dried up. The State has returned nearly 900,000 vaccines to the federal government due to low demand.

“COVID vaccines are saving lives and could save more,” Dobbs wrote on June 29.

Community vaccination
Across the state, Mississippians are receiving vaccinations at community events. The Mississippi State Department of Health, restaurateur Jeff Good and the G.A. Carmichael Family Health Center organized this vaccine clinic. Photo courtesy MSDH

He said that the fact that individuals who are vaccinated account for a higher percent of new deaths than they do new cases could be caused by “increased exposure” for “older folks with medical issues for whom the vaccine may not be as effective.” Many older Mississippians who stayed at home over the past year have begun resuming social activities since becoming vaccinated.

Long before the Delta variant’s arrival, clinical trials found that the Pfizer and Moderna vaccines were, respectively, about 95% and 94% effective at preventing COVID-19 infection several weeks after receiving both doses, while the Johnson & Johnson one-shot vaccine was about 66% effective.

Even among breakthrough cases, though, trials found that each vaccine prevented most of those from becoming severe, including the Johnson & Johnson vaccine, which the U.S. Food and Drug Administration reported was 85% effective at preventing serious illness, hospitalization and death.

Pfizer Developing Booster Shot Targeting Delta Variant

With the Delta variant now the dominant strain, several studies have found that the current vaccines may now be somewhat less effective at preventing symptomatic infections, but remain highly effective at preventing deaths and severe illnesses. Pfizer announced today that it will seek emergency FDA authorization for a third booster shot that better protects against the Delta variant.

On Meet The Press this past sunday, Dr. Anthony Fauci said he would probably wear a mask if he traveled to Mississippi due to the low vaccination rates and suggested residents who have stopped wearing masks after getting vaccinated should consider doing so, too.

Dr. Anthony Fauci suggested Mississippians should consider wearing masks again if they are vaccinated in the wake of the Delta variant and the state’s continued low vaccination rates. Photo by Tougaloo College

“I might want to go the extra mile to be cautious enough to be sure that I get the extra added layer of protection, even though the vaccines themselves are highly effective,” he said.

The Mississippi Department of Transportation announced yesterday that it will begin offering free rides to vaccination sites for Mississippians.

“Schedule a free ride Get a free vaccine,” Gov. Tate Reeves tweeted yesterday. It was the first time the state’s leader had used his social media accounts to promote vaccines since April 30.

COVID-19 vaccines are free and widely available. For more information on the vaccine, go to the MSDH website. To find vaccine locations near you, go to vaccines.gov.

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