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Stop Trying To Make ‘Herd Immunity' Happen: Sweden's Attempt At Covid-19 Herd Immunity Failed
[Forbes] - While most countries went into lockdown as Covid-19 spread rapidly across the world, Sweden took a different approach and allowed the controlled spread of coronavirus among the population in attempts to achieve herd immunity.

They relied on individuals to responsibly social distance and slow the spread of the disease, but, according to a new study published by the Journal of the Royal Society of Medicine
https://journals.sagepub.com/doi/full/10.1177/0141076820945282,
this decision has been a failure.

    "It is clear that not only are the rates of viral infection, hospitalisation and mortality (per million population) much higher than those seen in neighbouring Scandinavian countries, but also that the time-course of the epidemic in Sweden is different, with continued persistence of higher infection and mortality well beyond the few critical weeks period seen in Denmark, Finland and Norway," said, lead author Professor David Goldsmith.

Herd immunity is when enough people are immune to a disease, like Covid-19, that the disease can’t be transmitted as easily and thus provides indirect protection

It can be achieved either through vaccination or if enough people catch the disease and develop immunity.

Health authorities predicted that 40% of the Stockholm population would have had the disease and acquired antibodies by May 2020. According to the study, the actual prevalence figure is only around 15%.
And, as we know today, there may not be acquired immunity to Covid 19.
...Many experts point out, it’s still too early to tell which pandemic strategy will be best in the long-term.

The authors note it likely won’t be until as many as two years after the pandemic that we will be able to objectively say which method was most effective.

But new evidence continues to emerge that herd immunity may be more difficult to achieve than thought.

For example, clinical and research findings suggest, only severely infected Covid-19 patients acquire antibodies in the immediate and early recovery phase of their illness.

Early research has shown that immunity, even in those who were severely infected, can fade after a few weeks and there have been anecdotal examples of reinfection, but more research needs to be done.
Given the numbers of research groups* that look for immune memory (acquired immunity to Covid 19), if there were such - we'd seen reports** by now.
*Real researchers, not people like Ioannidis or Scott Atlas.
** Since Covid 19 research can be pre-published without pear review.
Posted by: g(r)omgoru 2020-08-13
http://www.rantburg.com/poparticle.php?ID=579499