Dallas County, Texas, has reached herd immunity with 80 percent of its population either being fully vaccinated against COVID-19 or having natural immunity as a result of past infections, a nonprofit announced Wednesday.
Herd immunity was reached on July 4 with 46.6 percent of the population receiving two shots of the vaccine and 48.7 percent having natural immunity from a previous COVID-19 infection, Parkland Center for Clinical Innovation (PCCI) said in a statement.
"While this represents good progress. The nonprofit warned, however, that the target for herd immunity could jump to 88 percent due to the more contagious delta variant hitting the area.
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