Health officials in Orange County, Calif. say they’re optimistic 70 percent of eligible residents will be inoculated against COVID-19 by Independence Day. However, it’s unclear whether the county will accomplish its July 4 herd immunity goal. “There’s a lot of talk as to [whether] herd immunity is even possible at this time due to all the variants that are occurring,” Orange County deputy health officer Dr. Regina Chinsio-Kwong told The Epoch Times. “Even if we reach herd immunity as a country, there’s still other countries out there where COVID continues to be transmitted. What if it continues to mutate? The worst-case scenario is if it mutates to the level that the vaccine is no longer [effective and] we’re back at square one. This is the problem that we have right now and this is why there’s such a rush across the globe to try to get people vaccinated… and diminish mutation of the virus.” About 68 percent of Orange County residents aged …