DLNews Health:

Mosquito trapping in Mecca results in positive St. Louis Encephalitis virus.

Mosquitoes carrying the St. Louis Encephalitis Virus (SLEV) have been detected in Mecca near Colfax Street and 71st Avenue during a routine collection site. This is the first time in 2023 that the virus has been identified in the valley. Laboratory Manager Jennifer Henke explains that the St. Louis Encephalitis virus is endemic and is detected in our communities yearly. As the weather warms up, more mosquitoes are emerging and ready to bite. To avoid this, it is recommended that everyone inspect and remove stagnant water around their home every week.

It is important to note that up to this year, there have been no reported cases of SLEV in humans by the Coachella Valley Mosquito and Vector Control District and the state. However, it is unfortunate that no vaccine is currently available for SLEV. As a result, residents must take preventive measures against mosquito bites by using insect repellent.

Prevent mosquito bites: 

• Stay inside at dawn and dusk when these mosquitoes are most active. 
• Wear insect repellent. EPA-registered such as DEET, picaridin, oil of lemon eucalyptus, or IR3535 (as directed on the product label). 
• Cover up. Wear long sleeve shirts and long pants when mosquitoes are most active. 
• Check window and door screens to prevent mosquitoes from entering your home. 

Prevent mosquitoes around your home:

• Check lawn drains for water and debris. Clean drains regularly. 
• Inspect yards for standing water sources. Drain the water collected under potted plants, birdbaths, tires, and other water-holding containers. 
• Clean and scrub pet dishes and water features weekly. 
• Swimming pools, ponds, and fountains require working pumps and regular maintenance.

About St. Louis Encephalitis Virus. SLEV spreads when a female mosquito bites an infected bird. The mosquito then can become a carrier and transmit the virus to people. Most infected people will have no symptoms. Others will develop fever, headaches, and body aches; hospitalization is required in some cases, and in rare cases, death occurs. People with symptoms should contact their healthcare provider.