Increase in West Nile Neuroinvasive Disease after Hurricane Katrina
Figure 2. Cases of West Nile neuroinvasive disease (WNND) in Louisiana (A) and Mississippi (B), 2005–2006. Hurricane Katrina made landfall on August 29, 2005 (Centers for Disease Control and Prevention [CDC] week 35). An increase in WNND cases is noted in the hurricane-affected parishes and counties (black columns) during the 3 weeks after the storm (CDC weeks 35–37). Cases of WNND increased throughout the 2006 season in hurricane-affected parishes. Cases of WNND from unaffected parishes and counties are shown in white columns.