About

Harris County Public Health (HCPH)

Throughout the years, HCPH has responded to public health issues such as rabies, mosquito-borne illnesses, air and water pollution, disease outbreaks, water and food-borne illnesses, natural disasters, tuberculosis, polio, and other communicable diseases. 
Public health is now battling new challenges. Each year brings new diseases, new chronic disease risks, and more natural and man-made disasters.

Latest from

Public Health

IN THE NEWS

West Nile Virus found in Harris County mosquito sample, spraying underway

23 May, 25

Harris County has found its first mosquito of 2025 carrying the West Nile virus, according to local public health officials.

Harris County Public Health’s (HCPH) Mosquito and Vector Control Division (MVCD) said the mosquito was found in northwest Harris County. Now, Harris County Public Health has started mosquito spraying at dusk Thursday night in local neighborhoods.

Harris County Public Health reports first positive West Nile virus mosquito sample this year

23 May, 25

Harris County Public Health’s Mosquito and Vector Control Division began spray operations Thursday evening in the area where the positive sample was taken in an effort to reduce the risk of transmitting the disease.

PRESS RELEASES

Hurricane Season Starts Now—Be Prepared, Harris County!

01 Jun, 25

With the start of the 2025 hurricane season, Harris County Public Health (HCPH) is encouraging all community members to take proactive steps to prepare for severe weather and potential public health impacts. Hurricane season runs from June 1 to November 30, and early planning is crucial for ensuring safety, well-being, and a smooth recovery.

No Smoke, Just Strength—Be Tobacco-Free Harris County

31 May, 25

Today is World No Tobacco Day, and Harris County Public Health (HCPH) is raising awareness about the dangers of tobacco use and the ongoing impact of deceptive marketing tactics aimed at youth. This year’s focus, “You Don’t Want the Smoke,” targets young people by suggesting better life choices contrary to how the tobacco and vaping industries downplay the risks of nicotine addiction.

First West Nile Virus Mosquito Sample of 2025 Found in Harris County

22 May, 25

HOUSTON – Harris County Public Health’s (HCPH) Mosquito and Vector Control Division (MVCD) has confirmed that a Culex quinquefasciatus mosquito sample has tested positive for West Nile virus (WNV) in northwest Harris County.

In response, MVCD is activating evening spray operations tonight at dusk in the area where the virus-positive mosquito sample was found and in surrounding areas. These efforts aim to reduce the risk of disease transmission by infected mosquitoes.

The Heat is Rising – So Is the Risk: Stay Cool, Stay Safe, Harris County!

15 May, 25

As outdoor activities and travel plans ramp up, so do the risks associated with extreme heat. Harris County Public Health (HCPH) urges community members to take extra precautions to stay safe and prevent heat-related illnesses.

Harris County Public Health Responds to Canine Parvovirus Outbreak at Local Animal Shelter

12 May, 25

Harris County Public Health (HCPH) is responding to an outbreak of canine parvovirus at its Veterinary Public Health—Harris County Pets (VPH) shelter. To control the spread of this highly contagious virus, several areas within the shelter are under quarantine, and enhanced sanitation protocols are in place to keep the animals in our care safe. To further mitigate the spread of the virus, VPH will be closing owner surrenders through Sunday, May 18.