New Orleans health watch: Post-Mardi Gras respiratory surge, boil water advisory areas, and Medicaid plan updates
New Orleans, LA – March 4, 2026 – Flu and other respiratory viruses are driving ER visits after Mardi Gras; Medicaid enrollment rules also shift statewide.
New Orleans-area providers and public agencies are juggling several health-focused updates this week, from a post-Carnival respiratory virus bump to ongoing water system advisories and changes affecting Medicaid plan choices.
Respiratory illnesses driving emergency room visits after Mardi Gras
Louisiana has continued to show very high flu activity on national surveillance maps, and local infectious disease specialists told FOX 8 that the Mardi Gras crowds likely helped accelerate respiratory virus spread. The station reported that emergency rooms across Louisiana saw large numbers of visits tied to flu and other respiratory illnesses after Carnival, with clinicians noting that multiple viruses can circulate at the same time.
Health officials and clinicians generally urge residents to follow public health guidance when sick, especially around high-risk settings, and to seek timely medical evaluation if symptoms worsen.
Boil water advisory reported for several New Orleans neighborhoods
Separately, FOX 8 reported a boil water advisory affecting parts of Fontainbleau, Broadmoor, Hoffman Triangle and the B.W. Cooper area. The Sewerage and Water Board of New Orleans attributed the advisory to water pressure dropping below 20 psi amid water main work and closures, noting that advisories are issued as a precaution when pressure is low.
City leaders said the situation can disrupt daily routines for households and small businesses, and SWBNO officials indicated testing results guide when an advisory can be lifted.
Medicaid managed care enrollment rules change starting March 1
The Louisiana Department of Health announced that, effective March 1, 2026, Medicaid members may switch health or dental plans without a specific qualifying reason, with up to two plan changes during a fixed annual period. LDH said 2026 will use a one-time annual period running from March 1 through Dec. 31, then shift to a standard Jan. 1 through Dec. 31 calendar in 2027.
Hospital capacity: Manning Family Children’s announces expanded NICU plan
Manning Family Children’s announced plans for a new 60-bed Level 4 neonatal intensive care unit, expanding the hospital’s main-campus NICU from 35 to 60 beds. The hospital said the project is scheduled to break ground this spring and open in 2027, with the unit intended to support highly specialized care for critically ill newborns from across Louisiana and the Gulf South.
Sources
https://www.fox8live.com/2026/02/27/thousands-louisiana-visited-emergency-rooms-flu-respiratory-illnesses-after-mardi-gras/
https://www.fox8live.com/2026/02/27/residents-businesses-cope-with-ongoing-boil-water-advisory-four-no-communities/
https://ldh.la.gov/news/7642
https://www.manningchildrens.org/news-blog/2026/february/manning-family-children-s-announces-expansion-pl/
If you have urgent symptoms, seek medical care. For general questions, talk with a licensed clinician.
