California ACR 170: Relative to the Pasadena Police Agent Richard Morris Memorial Highway.

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 |Add To My Favorites |Track Bill | Version: 05/12/26 - Chaptered
 05/08/26 - Enrolled
 03/26/26 - Introduced

 ACR-170 Mosquito Awareness Week.(2025-2026)

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ACR170:v97#DOCUMENTBill Start

 Assembly Concurrent Resolution

 No. 170

 CHAPTER 63

 Relative to Mosquito Awareness Week.

 [
 Filed with

 Secretary of State
 May 12, 2026.
 ]

LEGISLATIVE COUNSEL'S DIGEST

ACR 170, Wallis.
 Mosquito Awareness Week.

This measure would declare that the week of April 19, 2026, to April 25, 2026, inclusive, be designated as Mosquito Awareness Week.

Digest Key

 Fiscal Committee:
 NO 

Bill Text

WHEREAS, The United States Environmental Protection Agency recognizes that mosquitoborne diseases are currently among the world’s leading causes of illness and death; and

WHEREAS, The World Health Organization estimates that more than 300,000,000 clinical cases each year are attributable to mosquito-borne illnesses; and

WHEREAS, Excess numbers of mosquitoes and other vectors spread diseases, reduce the enjoyment of both public and private outdoor living spaces, reduce property values, hinder outdoor work, reduce livestock productivity, and have a negative impact on the environment; and

WHEREAS, Climate change is driving extreme weather events, including heavy rains, flooding, hurricanes, and wildfire burn scars, that expand mosquito breeding habitats, prolongs mosquito seasons, accelerates the spread of the invasive and costly to control Aedes species, and forces mosquito control agencies into reactive public health responses; and

WHEREAS, Two invasive mosquito species in California, Aedes albopictus, the Asian tiger mosquito, which was detected in southern California in 2011, and Aedes aegypti, the yellow fever mosquito, which was detected in central and northern California in 2013 and southern California in 2014 and currently found in 28 counties statewide, are posing new public health threats due to their capability to transmit potentially deadly or debilitating diseases, such as dengue fever, yellow fever, chikungunya, and Zika virus, which can cause significant birth defects; and

WHEREAS, Since 2015, there have been 769 travel-associated cases of Zika virus detected in California, including 244 infections in pregnant women and 16 infants born with complications; and

WHEREAS, Since 2016, there have been 2,033 travel-associated cases of dengue fever in 45 counties, and the presence of the mosquito vector in California has resulted in 26 locally acquired human cases of dengue fever since 2023; and

WHEREAS, In addition to new, emerging diseases, California must remain vigilant in fighting known diseases. West Nile virus is a mosquito-borne disease that can result in debilitating cases of meningitis and encephalitis, and death to humans, horses, avian species, and other wildlife; and

WHEREAS, In 2025, West Nile virus resulted in 11 human deaths in California and 113 individual cases in 23 counties; and

WHEREAS, In 2025, there were 0 human cases of St. Louis encephalitis virus; and

WHEREAS, In 2025, 6 locally acquired human cases of dengue fever were detected in southern California, making it the third year of documented local transmission; and

WHEREAS, A 2010 study from the University of California, Los Angeles found that low socioeconomic status was an indicator of the likelihood of West Nile virus cases; and

WHEREAS, Adequately funded mosquito and vector control, disease surveillance, and public awareness programs, coupled with best management practices on public and private lands, are the best ways to prevent outbreaks of West Nile virus and other diseases borne by mosquitoes and other vectors; and

WHEREAS, As a result of the threat mosquitoes posed to California’s economic development and health of its citizens, the Legislature enacted California’s Mosquito Abatement Districts Act (Assembly Bill 1590 of the 1915 Regular Session) 111 years ago; and

WHEREAS, Professional mosquito and vector control, based on scientific research, has made great advances in safely reducing mosquito and vector populations and the diseases they transmit; and

WHEREAS, Established mosquito-borne and vector-borne diseases such as plague, Lyme disease, flea-borne typhus, and encephalitis, and new and emerging vector-borne diseases, such as hantavirus, arenavirus, babesiosis, and ehrlichiosis, cause illness and somet