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Which Mosquito-Borne Diseases Are Emerging In Urban And Suburban Areas In Arizona?

Which Mosquito-Borne Diseases Are Emerging In Urban And Suburban Areas In Arizona?

Mosquitoes have not always been a major public health threat in Arizona, but now that the West Nile virus has become permanently established in the southern half of the state, it has become more important than ever for residents to apply mosquito repellent and to stay aware of mosquito-borne disease trends around the state. This year has seen an unprecedented number of West Nile Virus cases in Arizona, most of which have occured in Maricopa County. As of October 18th, the number of confirmed and suspected cases of West Nile virus in Arizona is 383, and this figure only includes 2019 cases. Of these cases, 17 have resulted in death. Due to the sudden appearance of West Nile cases in Arizona, many residents are concerned that additional mosquito-borne diseases may become common in the state in coming years. Unfortunately, many of the mosquito species that inhabit urban areas of Arizona are capable of carrying multiple diseases that have not been known to infect humans in the state.

Several mosquito species, both urban and rural, carry diseases that can be transmitted to humans. Culex tarsalis and Culex quinquefasciatus are two urban mosquito species that transmit the majority of West Nile infections in Arizona, but Culex tarsalis is significant for transmitting a number of different diseases to humans in various parts of the world. In Arizona, this species can transmit a number of encephalitic diseases to humans, and they transmit both St. Louis encephalitis and western equine encephalitis sporadically in Arizona, but the latter disease is more common in horses and livestock. Aedes aegypti is another mosquito species of concern in Arizona, as this species spreads the Zika virus as well as dengue fever. This species has transmitted both of these viruses along the Gulf Coast in recent years, but neither disease is endemic to Arizona. However, experts believe that this is likely to change in the coming years due to the abundance of A. aegypti throughout the state, and many researchers believe that the establishment of dengue fever in the state may be unavoidable in the future.

Do you think that the Zika virus and/or dengue fever will become common in Arizona before 2030?

Nelson Ruiz No Comments

Mosquito Protection Tips | Magic Pest Control

Mosquito Protection Tips | Magic Pest Control

Many people may connect the height of mosquito season, occurring in the summer through early fall, to the irksomely itchy welts that accompany mosquito bites. But, there are far worse associations to make with these blood-sucking pests, such as the health threats they pose to humans in their daily lives—even in their own backyards. To help protect the community against mosquito-related health risks, Magic Pest Control is reminding the public about threatening mosquito-borne diseases as well as prevention tips to avoid bites.

Thanks to professional pest control there are certain serious, and sometimes even deadly, mosquito-transmitted illnesses, such as malaria, that we rarely see in the U.S. But, the public should remember that there are still harmful diseases including the Zika, West Nile and chikungunya viruses present in the U.S. that can be transmitted to humans by mosquitoes. In order to protect against these health threats, knowledge about each disease and general mosquito prevention is key.

The main ways to avoid mosquito bites and better protect against mosquito-transmitted diseases include:

  • Applying insect repellant containing DEET, picaridin, oil of lemon-eucalyptus or IR3535 when outdoors and use as directed on the product label. Apply repellant over top of sunscreen, and reapply every four to six hours.
  • Minimizing outside activity between dusk and dawn when mosquitoes are most active, though it is important to note that mosquitoes that transmit chikungunya are active throughout the day.
  • Wearing long pants, long-sleeved shirts and closed-toe shoes when outdoors.
  • Eliminating areas of standing water around the home including clogged gutters, birdbaths, flower pots, tires and kiddie pools or untreated pools. Mosquitoes need only half an inch of water to breed.
  • Screening windows and doors, and patching torn screens.