Parkland Center for Clinical Innovation’s Forecasts Summer COVID-19 Herd Immunity for Dallas County

PCCI Forecast Is Based mostly on Recoveries, Vaccines

DALLAS – Parkland Middle for Medical Innovation (PCCI), which improves healthcare for susceptible populations utilizing superior information science and medical consultants, estimates Dallas County will attain a crucial tipping level of COVID-19 “herd immunity” in late-June resulting from complete case recoveries and vaccinations.


PCCI forecasts that Dallas County is on monitor to have 80 % of the county residents at ranges of COVID-19 “herd immunity” by early summer time. This forecast relies on fashions estimating people who both have recovered from COVID-19 or who’ve acquired vaccinations.

“Our forecast is decided by the info, fashions and developments now we have been monitoring and analyzing for the reason that starting of the pandemic and knowledgeable by the newest nationwide and worldwide analysis. We’re optimistic that by early summer time, a lot of Dallas County will attain herd immunity,” stated Steve Miff, PhD, President and CEO of PCCI. “We’ll get to herd immunity both by way of continued an infection, which is a sluggish route that can proceed to hurt the group and economic system, or vaccinations.

This underscores the significance of Dallas County residents registering for and receiving the COVID-19 vaccinations as rapidly as potential and persevering with to remain vigilant and secure from being contaminated. We’re additionally racing to remain forward of the event and unfold of present or future new COVID-19 strains. We’re on this collectively and can solely get there although our collective and mixed efforts.”

44% Of Grownup Residents In Dallas County Have Recovered From COVID or Acquired vaccine

PCCI’s evaluation, as of Feb. 22, signifies that the county has already reached 44% of the two.6 million grownup residents of Dallas County as both recovered from COVID-19 or within the technique of receiving their full COVID-19 vaccine. That features 922,460 COVID-19 confirmed and presumed contaminated and recovered, and 270,642 residents who’ve acquired their first (154,766) and second (115,875) vaccine shot.

PCCI Dallas County map

“Reaching the tipping level for herd immunity is achievable with continued group effort,” stated Thomas Roderick, PhD, Senior Director of Knowledge and Utilized Sciences at PCCI. “However components of the county might not share the early advantages in our estimated forecast in the event that they don’t hold tempo with vaccines. Vaccines are additionally the perfect line of protection in opposition to COVID-19 variants, so it’s crucial that vaccines are made accessible to as many individuals as potential and county residents make it a precedence to get vaccinated.”


PCCI’s forecast for herd immunity relies on extensively accepted statistical evaluation of unfold and administration of illnesses inside communities. Additional, PCCI’s 80% vary for reaching herd immunity is consistent with nationwide estimates, corresponding to that of Anthony S. Fauci, MD, Director of the Nationwide Institute of Allergy and Infectious Ailments, who lately gave a spread of 70 to 90% and the World Well being Group that gave a 60 to 70% vary of infections and vaccines to succeed in herd immunity*.


PCCI’s forecast and estimates have been developed in coordination with and reviewed by group well being leaders in Dallas County together with consultants at UT Southwestern Medical Middle, Dallas County Well being and Human Providers and Parkland Well being & Hospital System.


“Our predictions for Dallas County to succeed in its herd immunity tipping level embrace algorithms to foretell complete infections and forecasts of vaccination charges. We encourage the group to take part in virological research such because the one carried out by our colleagues at UT Southwestern ( so we are able to higher perceive the group infections and impression. We additionally have to register and vaccinate probably the most susceptible in addition to the remainder of the inhabitants as quickly as they’re eligible,” stated George ‘Holt’ Oliver, MD, PhD, Vice President of Medical Informatics at PCCI.

Forecast Will Be Up to date Month-to-month

PCCI will replace its forecast month-to-month to grasp how properly the county is progressing towards its 80% vaccinated and contaminated and recovered charge. The updates will incorporate the newest information, intelligence and knowledge from new research, analysis and developments concerning the COVID-19 pandemic and impression of rising strains.


PCCI has made accessible an necessary device to assist Dallas County residents keep vigilant and perceive their private threat, the MyPCI App, a free web-based app that can assist people make knowledgeable selections by offering an on-demand, location-based private threat evaluation of potential COVID-19 publicity. MyPCI is a classy machine studying algorithm, geomapping and hot-spotting expertise that makes use of day by day up to date information from Dallas County Well being and Human Providers (DCHHS) on confirmed optimistic COVID-19 instances and the inhabitants density in a given neighborhood. Based mostly on density and distances to these close by who’re contaminated, the MyPCI App generates a dynamic private threat rating.


To make use of the MyPCI App, go to,, click on on the hyperlink and register (Utilizing code: GP-7xI6QT). Registration features a request for particular person location data that will probably be used just for producing a threat evaluation, by no means shared. As soon as registered, merely login day by day and a COVID-19 private threat degree rating will probably be supplied together with data to assist people make knowledgeable choices about tips on how to handle their threat.


About Parkland Middle for Medical Innovation

Parkland Middle for Medical Innovation (PCCI) is an impartial, not-for-profit, healthcare intelligence group affiliated with Parkland Well being & Hospital System. PCCI leverages medical experience, information science and social determinants of well being to handle the wants of susceptible populations.



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