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Short Bites Monthly

Your digest for July 2023.

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Short Bites Monthly ensures that our data as a public health agency remains transparent to the public and to people who are interested in our mission.

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  • Thank you to the all of the cities and event organizers who booked us up through August.
  • This month, our repellent booth made National Night Out events a hit!
May contain: adult, female, person, woman, advertisement, poster, clothing, hat, accessories, bag, handbag, male, man, chair, furniture, indoors, restaurant, desk, table, footwear, shoe, glasses, alcohol, beer, beverage, backpack, and cap
Image of District staff working a community event.
  • Our repellent booth focuses on educating residents on proper repellent use and providing repellent samples to stay protected while enjoying local events.
May contain: tent, person, architecture, building, outdoors, shelter, clothing, footwear, shoe, garden, nature, plant, tree, indoors, restaurant, and hat
Image of our Repellent Zone at a National Night Out event.

Outreach Efforts

July outreach diagram
Image of our outreach efforts this month.
  • We have detected West Nile virus (WNV) activity in birds and mosquitoes in several locations throughout the district.

Follow West Nile Virus Updates

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Image of Communications staff interpreting data for an area-wide treatment.
  • We have responded to WNV with enhanced investigation and control measures. Our efforts include increased surveillance, public education, and control to reduce the threat of West Nile virus human infection.
  • Some communities have addressed concerns about black flies, please go to our website for more bite prevention information.
May contain: pickup truck, transportation, truck, vehicle, adult, male, man, person, clothing, hat, footwear, shoe, accessories, belt, and glasses
Image of a Technician preparing for a treatment.
text, chalk board

EcoHealth Newsletter

Read July Newsletter

Citizen Science

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Image of Operation Mosquito G.R.I.D. materials being prepared for Fall.
  • At headquarters, we’re working on Citizen Science program materials! Teachers can still sign up to have their class participate in this awesome, FREE, and hands-on science experience.

Check Out Our Citizen Science Programs

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Image of Education Specialist editing a Citizen Science video for parents
  • We also collaborated with a local school to film an instructional video for one of our Citizen Science programs. These students created fun and informational film footage that our Education Specialists are using to create engaging program content.

Little Champions Preschool Program

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Image of Outreach Assistant leading a Little Champions activity.

Digital Communication

  • West Nile virus (WNV) is the most pervasive threat in California and is transmitted by local Culex mosquitoes.
  • Since WNV is endemic to the San Gabriel Valley, we work hard to prevent local disease outbreaks.

Read West Nile Virus Updates

May contain: electronics, headphones, clothing, footwear, shoe, adult, male, man, person, conversation, wristwatch, accessories, bag, handbag, and interview
Image of Communications Specialist representing the District in an interview.
  • This month, we went viral! One of Ada Eez’s Instagram reels has gone viral with a current count of over 2K likes and 20K views. The reel took advantage of a trending audio and meme while also using mosquito messaging.
May contain: adult, female, person, woman, tripod, clothing, hat, footwear, shoe, appliance, device, electrical device, microwave, oven, wristwatch, photography, refrigerator, and pen
Image of Communications staff filming content.
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We continue to focus on maintaining essential vector surveillance including mosquito trap routes, arbovirus testing, providing weekly data to the District, and maintaining the mosquito fish and mosquito colonies.

May contain: person, computer, computer hardware, computer keyboard, electronics, hardware, furniture, table, pen, desk, box, accessories, glasses, monitor, screen, backpack, bag, and mouse
Image of our Vector Ecologist being filmed for interview B-roll footage.

Data Collection

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Image of average mosquitoes per trap by sampling location and by city/community. The size of the bubbles on the map reflects the relative numbers of mosquitoes caught at each trap.
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This chart depicts the overall abundance of mosquitoes collected during the current reporting period. Species listed on the far right are sorted by total amount collected during this reporting period.
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This chart depicts the total number/types of traps set during this reporting period.
  • This month, enhanced surveillance areas identified high trap counts with positive mosquito samples.
  • We will be continue to follow up on the positive mosquito sites to monitor disease transmission.  

Safety Reminders


Tip, toss, protect


Before you go, check out the links we love this month …

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woman clapping
Gardening this Summer? Elevate Your Ecosystem 
  • If you enjoy being outside without getting mosquito bites, it's time to elevate your ecosystem to create a bite-free yard.

Learn More

Mosquito Sprays Can Reduce West Nile Virus Risk 
  • In a new study on truck-mounted mosquito-control sprays, the proportion of local mosquito populations that could potentially carry West Nile virus decreased after treatments.

Learn More

Rain Barrel 101 
  • Whether you buy a rain barrel from a garden store or make your own device, every system will require specific modification, maintenance, and regular inspection to keep mosquitoes from growing inside. 

Learn More

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Communications Department Mission Statement:

Increase transparency and credibility through multi-media dialogue in order to engage and motivate internal, local, regional, statewide, and nationwide stakeholders to take action and become public health agents of change in their communities.


🖋 Written by Ally Gaspar, Outreach Assistant