The Florida Department of Health removed that information from their daily report.

The existence of herd immunity in general terms isn’t in question as seen by CDC definition below. Understand, it doesn’t guaranty nobody will be infected, just that they are less likely to meet anyone infectious.

To get to that point, though, Johns Hopkins points out: “To reach herd immunity for COVID-19, likely 70% or more of the population would need to be immune. Without a vaccine, over 200 million Americans would have to get infected before we reach this threshold. Put another way, even if the current pace of the COVID-19 pandemic continues in the United States – with over 25,000 confirmed cases a day – it will be well into 2021 before we reach herd immunity. If current daily death rates continue,
over half a million Americans would be dead from COVID-19 by that time.”
https://coronavirus.jhu.edu/from-our-experts/early-herd-immunity-against-covid-19-a-dangerous-misconception

500,000 versus today’s 80,037 total (and I have read elsewhere it might kill 2.5 million of us rather than “just” half a million)

If you knew who it wouldn’t kill, you might infect those and quarantine them for a few weeks. (That is basically what a vaccination — which we do not yet have — does…and without the quarantine.)

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(Community immunity [Also known as herd immunity]:
“A situation in which a sufficient proportion of a population is immune to an infectious disease (through vaccination and/or prior illness) to make its spread from person to person unlikely. Even individuals not vaccinated (such as newborns and those with chronic illnesses) are offered some protection because the disease has little opportunity to spread within the community.”
https://www.cdc.gov/vaccines/terms/glossary.html )