Minimize Your Risk Of Infection

What We Know

  • No vaccine exists to prevent Zika virus disease.
  • Prevent Zika by avoiding mosquito bites.
  • Mosquitos that spread Zika virus bite mostly during the daytime.
  • Mosquitos that spread Zika virus also spread dengue and chikungunya viruses.


Zika is not spreading in Pharr, but local mosquitoes can spread other diseases, like West Nile virus. Pharr residents can help stop the spread of mosquito-borne viruses by following these steps:

  1. Apply insect repellents and wear long sleeves or pants in the evening during mosquito season(June through September).
  2. Install or repair screens on windows and doors.
  3. Make sure backyard pools are properly maintained and chlorinated.
  4. Empty standing water from containers such as flower pots, gutters, buckets, pool covers, petwater dishes, discarded tires and birdbaths. A very small body of water can be the breeding ground for hundreds of mosquito eggs.
  5. Report standing water to Pharr Public Works  956.402.4000

Traveling To An Affected Area?

  • Take necessary steps to avoid mosquito bites. (see graphic below)
  • Even if they do not feel sick, travelers returning to the United States from an area with Zika should take steps to prevent mosquito bites for 3 weeks so they do not spread Zika to mosquitoes that could spread the virus to other people.

Sick With Zika?

During the first week of infection, Zika virus can be found in the blood and passed from an infected person to another mosquito through mosquito bites. An infected mosquito can then spread the virus to other people.

  • To help prevent others from getting sick, follow these steps to prevent mosquito bites.
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