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Communicable Diseases

Texas Administrative Code

Health Conditions Requiring Exclusion from Schools

Disease Information & Resources

Communicable Disease Chart and Notes for Schools and Childcare Centers


Keller ISD is no longer tracking individual COVID-19 cases. If your child is diagnosed with COVID-19, please report it directly to your campus, as you would do for any other illness. Per the State of Texas, individuals who test positive for COVID-19 should exclude themselves from school or daycare settings for five days from the onset of symptoms; or, if asymptomatic, one should exclude themselves from the school or daycare setting for five days from the date they test positive. Click here for additional information from the Texas Department of State Health Services

Head Lice






Zika Virus

Additional Resources