By Alex Berenson | Fox News
Editor’s note: This is adapted from an excerpt of Alex Berenson’s booklet “Unreported Truths about COVID-19 and Lockdowns” posted on his website alexberenson.com. Amazon initially refused to sell the booklet but then reversed its decision.
Maybe the most important questions of all about the COVID-19 pandemic are: How lethal is the virus SARS-COV-2? Whom does it kill? Are the death counts accurate – and, if not, are they overstated or understated?
Estimates for the lethality of the coronavirus have varied widely since January. Early Chinese data suggested the virus might have an “infection fatality rate” as high as 1.4 to 2 percent.
A death rate in that range could mean the coronavirus might kill more than 6 million Americans, although even under the worst-case scenarios some people would not be exposed, and others might have natural immunity that would prevent them from being infected at all.
As we have learned more about the virus, estimates of its lethality have fallen. Calculating fatality rates is complex, because despite all of our testing for COVID-19, we still don’t know how many people have been infected.
Some people who are infected may have no or mild symptoms. Even those with more severe symptoms may resist going to the hospital, then recover on their own. We have a clear view of the top of the iceberg – the serious infections that require hospitalization – but at least in the early stages of the epidemic we have to guess at the mild, hidden infections.
But to calculate the true fatality rate, we need to know the true infection rate. If 10,000 people die out of 100,000 infections, that means the virus kills 10 percent of all the people it infects – making it very, very dangerous. But if 10,000 people die from 10 million infections, the death rate is actually 0.1 percent – similar to the flu.
Unfortunately, figuring out the real infection rate is very difficult. Probably the best way is through antibody tests, which measure how many people have already been infected and recovered – even if they never were hospitalized or even had symptoms.
Studies in which many people in a city, state, or even country are tested at random to see if they are currently infected can also help. Believe it or not, so can tests of municipal sewage.
For now, the crucial point is this: randomized antibody tests from all over the world have repeatedly shown many more people have been infected with coronavirus than is revealed by tests for active infection. Many people who are infected with SARS-COV-2 don’t even know it.
So the hidden part of the iceberg is huge. And in turn, scientists have repeatedly reduced their estimates for how dangerous the coronavirus might be.
The most important estimate came on May 20, when the Centers for Disease Control and Prevention reported its best estimate was that the virus would kill 0.26 percent of people it infected, or about 1 in 400 people. (The virus would kill 0.4 percent of those who developed symptoms. But about one out of three people would have no symptoms at all, the CDC said.)
Similarly, a German study in April reported a fatality rate of 0.37 percent. A large study in April in Los Angeles predicted a death rate in the range of 0.15 to 0.3 percent.
Some estimates have been even lower. Others have been somewhat higher – especially in regions that experienced periods of severe stress on their health care systems.
In New York City, for example, the death rates appear somewhat higher, possibly above 0.5 percent – though New York may be an outlier, both because it has counted deaths aggressively (more on this later) and because its hospitals seem to have used ventilators particularly aggressively.
Thus the CDC’s estimate for deaths is probably the best place to begin. Using that figure along with several other papers and studies suggests the coronavirus has an infection fatality rate in the range of 0.15 percent to 0.4 percent.
In other words, SARS-COV-2 likely kills between 1 in 250 and 1 in 650 of the people whom it infects. Again, though, not everyone who is exposed will become infected. Some people do not contract the virus, perhaps because their T-cells – which help the immune system destroy invading viruses and bacteria – have already been primed by exposure to other coronaviruses.
Several other coronaviruses exist; the most common versions usually cause minor colds in the people they infect.
An early May paper in the journal Cell suggests that as many as 60 percent of people may have some preexisting immune response, though not all will necessarily be immune.
The experience of outbreaks on large ships such as aircraft carriers and cruise liners also shows that some people do not become infected. The best estimates are that the virus probably can infect somewhere between 50 to 70 percent of people.
For example, on one French aircraft carrier, 60 percent of sailors were infected (none died and only two out of 1,074 infected sailors required intensive care).
Thus – in a worst-case scenario – if we took no steps to mitigate its spread or protect vulnerable people, a completely unchecked coronavirus might kill between 0.075 and 0.28 percent of the United States population – between 1 in 360 and 1 in 1,300 Americans.
This is higher than the seasonal flu in most years. Influenza is usually said to have a fatality rate among symptomatic cases of 1 in 1,000 and an overall fatality rate of around 1 in 2,000.
However, influenza mutates rapidly, and its dangerousness varies year by year. The coronavirus appears far less dangerous than the Spanish flu a century ago, which was commonly said to have killed 1 in 50 of the people it infected.
The current coronavirus pandemic appears more comparable in terms of overall mortality to the influenza epidemics of 1957 and 1968, or the British flu epidemics of the late 1990s. Of course, the United States and United Kingdom did not only not shut down for any of those epidemics, they received little attention outside the health care system.
Alex Berenson is a former New York Times reporter and the author of “Tell Your Children: The Truth About Marijuana, Mental Illness, and Violence.”
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