Philip Alcabes discusses myths of health, disease and risk.

Avoiding Panic: The Imagined Crisis

The Global e-Forum, a Japanese site interested in world issues, posed this question to a number of professionals in the public health and public policy field:

In dealing with the issue of a pandemic, if we stick to finding out how to block the infection completely, we may take extreme measures and, as a result, trigger a pandemic panic. Is there a way to avoid the pandemic without adding to people’s concern more than necessary? (full text of query here).

Since the question of balancing response with panic promotion is on many minds, this seems worth addressing.  But there’s the larger problem:  do we need even to ask this question?  Is there a crisis on hand with flu?

We think not.

“Marx claimed that great events of history occur twice, first as tragedy and then as farce,” we pointed out.

“The swine flu of 2009 certainly looks like a farcical replay of the great influenza outbreak of 1918…. [It’s] not a funny farce…but death from contagion is a normal part of life in an unpredictable universe.”  A few thousand deaths in the course of six months is lamentable, certainly.  But it’s hardly out of the ordinary for flu.

The collusion of officials and big corporations has been allowed to construct a global crisis. The farce is that the imagined flu crisis will benefit exactly the people who constructed it.

The vaccine manufacturers can expect to see a great expansion of markets (don’t miss Brownlee and Lenzer on flu immunization in the Nov. ’09 Atlantic).

The antiviral-medication manufacturers, the makers of Tamiflu especially, are already bringing in plenty of money for a treatment that is useful in rare clinical situations but has never been shown to stop the spread of flu in large populations.

Officials benefit, too.  They claim they must roll out flu vaccine and provide frequent information updates in order to  “prevent panic.”  And then they’ll look like they’ve done a good job — since, there being no crisis, people are staying calm.

Read the full post here.

Already Apologizing…

It looks like the Preparedness crusaders, anticipating flak on the swine flu immunization, are already preparing their defense.

In this week’s Lancet, Dr. Steven Black, from Cincinnati Children’s Hospital, and colleagues present calculations of the expected frequencies of adverse consequences (abstract at link; subscription required for full text) likely to result from flu immunization.  The intent being to provide a basis for comparison, so that when events do occur following immunization, the vaccine won’t be blamed for them.

“Widespread beliefs that such false associations [of adverse events with vaccination] are true can and do disrupt immunization programs, often to the detriment of public health,” the authors write.

Testament to the persuasiveness of the rhetoric, an experienced and knowledgeable Reuters reporter is taken in.  Covering the Lancet article, Maggie Fox writes:

People have special fears about Guillain Barre Syndrome (GBS). a rare neurological condition that was linked to a 1976 U.S. swine flu vaccination campaign. Although no case of GBS was ever linked to the vaccine, a belief that the vaccine was worse than the illness remains widespread.

Not exactly.  At least 500 cases of GBS were linked to flu vaccine in 1976 — “linked” in the sense that Fox uses the word in the first sentence:  they occurred in vaccine recipients and were in excess of the number of GBS cases likely to have occurred had there been no adverse effect of vaccination.  Thirty-two of those cases were fatal.  That they were not “linked” in her second sentence means that the criteria for association have shifted, or can shift.

The method by which the 1976 GBS cases were linked to vaccine was exactly the same as the method Black and his colleagues propose as the test for determining whether adverse events are linked to the 2009 immunizations.

But if the nature of association can shift, then Black and company can play a double game.  On the one hand, no illness or death can be attributed to vaccine if it occurs at a rate less than that expected in normal times, sans vaccination.  That’s the premise of this week’s Lancet article.

On the other hand, no illness or death that occurs at a rate greater than expected can be attributed to vaccine unless there is some additional proof — not just statistics but, we imagine, pathology results from surgery or autopsy — demonstrating a link between vaccine and illness, or vaccine and death.  That’s the conclusion that the Reuters correspondent drew after talking with Black and company.

In other words, the vaccine “scientists” have already demonstrated that you’re wrong if you think vaccine has done anything bad.   Don’t bother alleging that vaccine harmed your child, spouse, or parent.

We have to wonder why physicians (the main authors of the Lancet paper are all MDs, as are the public health officials who are promoting mass immunization as a flu-control strategy) are mounting their defense of flu vaccination, when hardly anyone has been immunized yet.

And we have to wonder why physicians call themselves scientists when they don’t want to deal with evidence — only their own certainty that vaccination is a good public health strategy.  A strategy whose inevitable shortcomings they’re already defending.

No Meeting of Minds on Flu

As the story of the flu pandemic of 2009 matures, it brings out the characteristic traits of each of the  many spheres of interest that it touches.  The physicians are certain that the news is bad, the social critics are skeptical, the official agencies are — in their usual collusion with biotech corporations (especially pharmaceutical companies) — happily promoting high-cost, high-tech responses.  And so on.

Joshua Holland’s post at AlterNet yesterday tries to explain why H1N1 swine flu shouldn’t be cause for hysteria.  He puts this outbreak in the context of flu history and the threat posed by other, more harmful, conditions — malaria for instance.  Holland plays a little bit fast and loose with the numbers:  it probably isn’t accurate to extrapolate, from the number of confirmed flu deaths so far, to get a total number of deaths that will be caused by the swine H1N1 strain this year — more efficient spread in the  cities of the Northern hemisphere in the coming few months is likely to produce fatalities at a higher rate than the more sporadic outbreaks here in April and May.  And he’s overly critical of the media — a point brought out by Revere in a response to Holland at Effect Measure today.

But, as Frank Furedi has been telling us (recently in Erasmus Law Review, for example), try to explain how people’s deep-seated anxieties drive perceptions that risk is extraordinary and unprecedented (and contribute to demands for more and better high-cost technology to deal with it) and you get some people riled up.  Disappointingly, even Effect Measure, whose assessments are consistently level-headed and cogent, slips here, flashing the moral-entrepreneur card at Mr. Holland:

Joshua Holland has never cared for a critically ill person with Acute Respiratory Distress Syndrome (ARDS), which is often the terminal event for flu patients. So I’ll tell him. It doesn’t matter if it’s caused by bacteria (many are). Half of them die no matter what you do and no matter what intensive care unit you have available to you or what antibiotic or what computer controlled respirator. We still can’t do much.

Nobody thinks it’s a good idea to let people get ARDS, and Holland acknowledges that flu is a problem that should be dealt with.  But that’s not always enough.  Question the intensity of perceived risk or the need for all the technology, and you find this out fast.

But Revere is back on track when noting that lots of problems — including malaria — are horrendous and deserve attention, and probably don’t get it because they happen to people far away.

Where would the impetus to deal with global problems besides flu come from?  A global organization that can keep things in perspective would be useful.  Poor W.H.O. isn’t positioned to do that.  Yesterday’s flu advisory from W.H.O. emphasizes the use of antivirals (oseltamivir and zanamivir) to treat people with severe or possibly severe flu:

Early treatment is especially important for patients who are at increased risk of developing complications, those who present with severe illness or those with worsening signs and symptoms.

Yet, the W.H.O. also warns against hastening the development of resistance.  This agency gets a lot of flak for not doing more and for panic-mongering when it does do more.  But, really, it’s only doing its job:  offer advice, and support interventions when invited.  It isn’t consistent, naturally.  It can’t make binding policy.  It faces a limitless and essentially insuperable legitimation problem.  In a way, W.H.O.’s hardest job is simply to maintain its own legitimacy.

Still, in a world poised to interpret signs of illness as evidence of risk and eager for technical fixes to alleviate the sense of vulnerability risk instills, the W.H.O.’s announcements can seem authoritative — and look like beckoning to the drug makers.  A Reuters story yesterday is entitled “Early Use of Antivirals Key in H1N1 Flu: WHO,” and highlights the value of the two antiviral medications more than the caution W.H.O. wants to instill.

Meanwhile, agencies that should be making real policy are focusing on immunization.  In today’s Washington Post, Rob Stein reports on health care workers’ resistance to mandatory flu vaccination.  New York State made flu immunization mandatory early on, not only for salaried health care workers but for anyone — including medical and nursing students — who might come in contact with patients, and is putting teeth into the requirement with sanctions for refuseniks.  The state resorts to high  moral rhetoric to justify its policy.  The state’s health commissioner told Stein that “the rationale begins with the health-care ethic, which is: The patient’s well-being comes ahead of the personal preferences of health-care workers.”

And at CDC, the director is cautioning that there might be a rough start-up to the swine flu immunization campaign, as the first doses of vaccine will be made available in early October.  According to the NY Times, there should be 40 million doses of vaccine available by mid-October.

We wonder whether immunization will be of any public health value at all, by the time there’s enough vaccine that it can be offered to anyone other than health care workers and a few of the people who really need protection (young people, infants’ caregivers, and pregnant women, especially — DemFromCT’s round-up at DailyKos is always worth reading).  Given the rapidity of spread of flu — in 37 U.S. states, H1N1 spread is already regional or widespread; flu is spreading locally in 12 more states, Puerto Rico, and Washington, D.C. — and based on the usual course of flu outbreaks, it seems possible that this outbreak will peak by mid November.  There’s no knowing if that will be so, obviously.  Even if it is, immunization would continue to be useful to prevent severe cases among people who are likely to get very sick if infected.

But mass immunization would no longer be of much use in preventing further incidence of infection on a population level if high levels of acquired immunity are reached across much of the population by the time vaccine is widely available.

That’s the problem with relying on mass immunization as the centerpiece of public health response: as in the old joke about comedy, timing is everything.  In 1976, there was too much immunization, too soon.  It might turn out that this year, there’s too little, too late.  The dynamics of vaccine availability and the dynamics of flu spread have to be watched in tandem, and policy updated accordingly.

In any case, with vaccine at the center, the rest of the story — the complex environmental interactions that allow flu genomes to recombine, the trade in animals and feed that allow viruses to move around, the problems of affordability and immune status and competing viral subtypes, the health care facilities to handle severe cases, and so on — gets shoved to the side.

Council of Advisors’ Flu Report: Does the Narrative Precede the Facts?

Reading this week’s report by the President’s Council of Advisors on Science and Technology (PCAST) on swine flu preparations…

The PCAST’s 2009-H1N1 Working Group has some illustrious names, and some great scientists.  So did the Advisory Committee on Immunization Practices which met in early March 1976, resolving to recommend mass immunization against swine flu.  And the parallels don’t end there.

This month’s PCAST report has some strengths.  One is its emphatic assertion that we are not looking at a reprise of the 1918 flu.  Another is its reminder that America must occupy a generous place in the world — offering advice or help to countries whose structures or resources don’t allow them to purchase vaccine or otherwise organize themselves for a bad flu outbreak.

But some of the report’s pieces just don’t quite connect up.

For one, the third chapter “Anticipating the Return of H1N1,” makes clear that the PCAST’s flu working group aimed to develop scenarios for a second wave of H1N1 cases in the U.S.   It set out to look at possibilities, not to make predictions.  “We emphasize again that the baseline scenario and the alternatives above are given as examples for planning purposes; they are not predictions of what will happen,” reads a caveat on p. 18.

Fair enough — but that begs two questions.

First, what’s the distinction between a scenario and a prediction?  Surely, when a Washington Post article is published within hours of the report’s release, with the lede that “Swine flu could infect half the U.S. population this fall and winter, hospitalizing up to 1.8 million people and causing as many as 90,000 deaths,” the PCAST is understood to have made a prediction — not just projected possibilities in an academic way.

Second, what predictions the PCAST makes!  By the day after the report was released CDC was expressing doubts about the estimate (sorry, “scenario”) of 90,000 deaths.  As VaccineEthics reports, CDC officials distanced themselves quickly — one telling Don McNeil, Jr. of the NY Times that “if the virus keeps behaving the way it is now, I don’t think anyone here [at CDC] expects anything like 90,000 deaths.”  And the estimate of 50% of Americans being infected by H1N1 would require much greater infectivity than we’ve seen so far.

The report doesn’t address the caution about the timing of H1N1 “waves” offered by Morens and Taubenberger in their recent JAMA article “Understanding Influenza Backward” (JAMA.2009; 302: 679-680) — PCAST’s scenarios simply assume that H1N1 will be back in the fall.  With WHO now explicit about a “second wave,” there will be even less impetus to (as Morens and Taubenberger suggest), look back.

The PCAST report also features a disconnect between the infectivity estimate and the mortality estimate.

It’s hard to explain how, if flu transmissibility really were to become high enough that a third to a half of all Americans were infected with H1N1 flu, virulence would remain so low that only 0.03% of the population would die of it.  If PCAST’s scenario of 150 million infections came to pass, then surely PCAST would want to caution authorities to watch for the development of high-virulence viral variants, either arising spontaneously within the genome of the current strain or through recombination with other circulating human or animal flu viruses.

Why bother to get people worked up over a horror scenario of 150 million infections if you aren’t going to remind flu watchers that your darkly viewed future  would allow for even further horrors in the form of new strains?

Narrative seems relevant here.  The PCAST report, its weak disclaimers about scenarios-not-predictions aside, sometimes seems to aim at crafting the leading narrative more than at practical planning.

The narrative, as told by PCAST, involves inevitable return of swine flu, America unprepared, special needs that can only be met by vaccine manufacturers and pharmaceutical companies, and vulnerable groups who need special administrative attention.

Here, too, the PCAST report is reminiscent of the 1976 swine flu episode.  The main effect of the meetings held by officials in the Department of Health, Education, and Welfare (the predecessor of today’s Health and Human Services) in March of ’76 was to create a narrative of inevitable return of a dreadful flu strain, America unprepared, and special needs that can only be met by immediate production of vaccine.

One lesson we learned from 1976 was the danger of allowing the narrative to precede the facts.

Mass Flu Immunization: What’s the Bail-out Point?

The President’s Council of Advisors on Science and Technology has released its report on H1N1 flu.  We’ll have something to say soon about the report’s specific “scenarios,” its sometimes-mystifying use of language to communicate them, its several strong points, and the problems both epidemiological and ethical that are likely to arise when it is (if it is) put into practice.

A concern at first glance is whether this panel of estimable scientists is repeating an error of commission made by an earlier panel of also-estimable scientists — in 1976.

As DemFromCT points out at DailyKos today, “timing is everything” when it comes to response to this flu outbreak.

Along this line the PCAST report is clear:  Having made the point that a return of swine flu this fall could infect a great many Americans, PCAST suggests that the federal government might decide to accelerate production of H1N1 vaccine.

The idea, generated by the PCAST’s 2009-H1N1 Flu Working Group, is that an early resurgence of flu would encounter an essentially unimmunized population — based on current expectations about availability of H1N1 vaccine.  On p. 18, the report states that

“if an increase in severity is detected with the expected rate of transmission, broader administration of vaccine before complete clinical trial data are available may be appropriate…”

But here we note a disturbing replication of a disturbing history.  The Advisory Committee on Immunization Practices, meeting on 10 March 1976, voted to recommend rapid preparation of swine flu vaccine and mass immunization of the American public in response to findings of H1N1 flu at Fort Dix, NJ.

At the March ’76 meeting, Russell Alexander of the U. of Washington School of Public Health asked how, if there were to be a mass immunization program, federal officials would know when to abandon it.  What was the bail-out point to be?  Would the committee specify a level of adverse vaccine events beyond which mass immunization would be suspended?  Would it specify an incidence of H1N1 cases, or deaths, below which vaccine would be stockpiled but not administered?

The answer to Alexander was No.  The directors of the CDC and other federal agencies did not want to be caught stockpiling usable vaccine if people were getting sick and dying of flu.

As it happened, Alexander’s suggestion might have saved a few lives, a lot of money, and a few officials’ jobs.  By the time the 1976 immunizations began, it was known that there had been very limited spread of the swine flu strain beyond Fort Dix.  Watchful waiting might have forestalled the 1976 fiasco.

If flu vaccine is again to be rushed into production and disseminated early, how should officials know when to put the program on hold — or to bail out entirely?