WI: millions infected with Mad Cow?

POD: A devastating soybean blight causes oilseed prices to more than double in 1985. Feedlot beef and milk producers (who are also ultimately beef producers) worldwide are universally and rapidly forced to switch to using bone meats and meal as a protein supplement for their cattle (whereas previously it was more economical to sell it on for other uses, and feed their cows oilseeds for protein).(1)

Bovine spongiform encephalopathy a.k.a. mad cow disease spreads rapidly in the animal population: once a single infected animal enters the food-chain the disease rapidly spreads across the whole industry.(2) By 1990 infection rates among feedlot cows in Europe and North America have surpassed 50% and approach 90% by 1992.(3)

The vast majority of cows – including dairy cows – are slaughtered before they become visually symptomatic. A small number will progress more rapidly(4), and this will be noticed, and likely attributed to a disease analogous to scrapie (the prion disease of goats and sheep), but it will be dismissed as economically insignificant, and not a threat to human health (scrapie, then the only animal prion disease known, being common throughout history, isn’t transmissible to people). These symptomatic animals, deemed not fit for human consumption, are instead rendered in whole into animal feed; there being no understanding of the transmission mechanism of prion disease (in fact, no knowledge of the existence of prions at all)

In 1995 epidemiologists begin to notice a sharp rise in CJD cases (which occurs naturally and spontaneously in a tiny fraction of the population at a heretofore stable rate). It takes only a few months to connect the dots between the growing number of people coming down with fatal neural wasting disease, the silent decade-long epidemic of a similar disease among cows, and the little known ‘kuru’ disease endemic among cannibals in New Guinean. By this time over 95% of the population of Western Europe and North America (and smaller percentages elsewhere) has been persistently exposed to BSE-infected meat products for a decade, and around 5% of them will eventually develop and die of vCJD.(5)

Re-examination of dusty Australian colonial-era studies of kuru show that that prion disease has a frighteningly long incubation period, in some cases exceeding 30 years between initial infection and the onset of symptoms. It dawns on a horrified public that upwards of 50 million people, concentrated mostly in and split roughly between Europe and North America, will die of this disease: for which there is no cure nor any way to diagnose infection until symptoms have set in. vCJD’s prognosis is truly terrifying: over the course of around a year, the patients brain turns to swiss-cheese, causing first emotional changes, then progressive paralysis, and ultimately death.

So…. what’s the effect? Beyond a radical re-think of food production, does the dread of not-knowing cause an outbreak of fatalism and nihilism in the West? Does the stress lead to widespread depression and suicide? As the deaths reach a peak around the turn of the millennium how does society deal with so many helpless dying people?

If this is even half-plausible it’s pretty damn frightening!

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1. Mad cow became epidemic in Europe and not elsewhere because of marginally higher local oilseed prices due to poor growing conditions IOTL
2. Either the founder cases are spontaneous (a very small percentage of mammals will develop prion disease spontaneously) or are introduced from wild ruminants with endemic BSE.
3. IOTL BSE infections in Britain probably didn’t exceed 1%, but it’s not uncommon for many mammal populations to have prion infection rates approaching 100%, particularly among carnivores, which these cows have in effect become
4. BSE becomes symptomatic over time in something of a bell-curve distribution, with a peak in cows at about 10 years, while commercially raised cows rarely live past 4 years
5. Animal studies show infection rates increase exponentially with exposure, so there’s an exponential rise in infections with nearly universal mad-cow in this scenario versus the less-than-one-percent in OTL Britain.
 
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This is almost as alarming as the dire predictions we heard in the UK back in the 1990s. Because of the amount of 'infected' meat already consumed by hungry Brits the number of cases within 10 years (say 2005ish) were predicted to be in the region of 25,000 per year.
 
This is almost as alarming as the dire predictions we heard in the UK back in the 1990s. Because of the amount of 'infected' meat already consumed by hungry Brits the number of cases within 10 years (say 2005ish) were predicted to be in the region of 25,000 per year.

Indeed, googling-around to come up with this I found some VASTLY-too-pessimistic contemporary British predictions. But in this timeline BSE has become vastly more prevalent, and more widespread, which would actually justify these kind of numbers in light of what we've learned.
 
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don't think nihilism of suicide will increase much outside the affected, people will go on living, maybe worried but thats it. I do expect that among people who get diagnosed with it the suicide rate will explode.
Second i expect the consumption of beef will totally collapse.

The nasty part about BSE is that it isn't a traditional disease, its not even alive.
Its a rogue protein that can change the shape of alike proteins to its own shape, to which the body responds by making more of it own proteins (which bse converts etc) and the endless cycle starts until the brain is literally bursting with the rogue prions.
Only way to disable BSE is incineration, BSE prions can withstand temperatures of up to 400 C (752F).
 
The nasty part about BSE is that it isn't a traditional disease, its not even alive.
Its a rogue protein that can change the shape of alike proteins to its own shape, to which the body responds by making more of it own proteins (which bse converts etc) and the endless cycle starts until the brain is literally bursting with the rogue prions.
Only way to disable BSE is incineration, BSE prions can withstand temperatures of up to 400 C (752F).

Prion disease remains extremely poorly understood even today.

An even more terrifying possibility than the one outlined above is a human form of chronic wasting disease (the fatal prion disease of deer). Nobody has been able to directly observe how it spreads, but its so easily communicable among deer that presumably its present in all bodily excretions (e.g. urine and feces), and can remain in the soil almost indefinitely (since prions are neigh-on indestructible).

If the above-outlined rapid mass human outbreak had that characteristic, or if humans were susceptible to a similarly-omnipresent animal form of the disease (imagine if the last 10 years of bird and/or dog excrement was indefinitely lethal in microscopic dosses!!!)... well... it would become almost impossible to feed the human race, and those that didn't starve to death would have to move around in biohazard suits. Nice!!!
 
5% death rate among habitual beefeaters, hm? Presumably this affects Australia and Canada as well? My impression is that South America and South Africa don't import animal feed much, so they're probably spared?

What does it look like in Japan? Beef is widely consumed by the upper classes but out of the reach of the poor there; however, my impression is that Japanese beef cattle would never be fed bone meal, so they too escape outbreak?

Epidemiologists twig to it in 1995, but when, really, does the "50 million will die" bit filter into the public consciousness? If AIDS is any comparison, we have a good four years of complete denial, followed by a few years of harebrained schemes proposed by the half-educated...

As you say, prions are not well understood. So what incorrect theories are proposed for the spread of this wasting sickness? Actually, I bet many people would initially insist it was some horrible new permutation of AIDS...
 
Grass-fed beef presumably wouldn't be effected (unless its seasonally supplemented as in the Great Plains/Canada?), so this would spare South America despite extremely high per-capita beef consumption in e.g. Argentina and Uruguay.

In addition to overlapping (and hence not being pre-empted by) OTL's small British BSE outbreak, I think this timeline works much better in the 80's and early 90s since it pre-empts the rise of mass-market Brazilian grass-fed beef (raised on cleared rainforest).

Re: how fast the scale of the outbreak is recognized, once thousands of early-developers start becoming symptomatic, I think science would pretty quickly be able to nail down at least an order-of-magnitude infection rate, given what was known of similar communicable brain-wasting disease among sheep, cows, and in New Guinea, even if the common causal agent (prions) weren't yet identified.

I'm too young to remember, but I presume the route-of-transmission of AIDS, and a rough estimate or the number already infected and where, was produced before the actual HIV/AIDS virus and its mechanism of operation were definitively identified.
 
It was pretty well settled as serum-transmitted by '83 despite the virus not being identified until '85, yes - but no, one of the (several) problems with early fighting of AIDS was the lack of an accurate idea of how many infected there were and where they were. Two-year incubation period (in the early days; modern strains appear to be longer even without retroviral cocktails) in initial populations that have ingrained habits of being skeptical of authorities (male homosexuals and Haitian immigrants, intravenous drug users) made an accurate model impossible to come by for the first decade.

There was a pretty good short story about this once, regarding an Indian film producer bickering with his Anglo cameraman. Something about "80% of English speakers are Indian, that makes us the arbiters of proper use" made me smile anyway.

Anyway, 5% fatality, while horrible, is also pretty survivable. What I'd look it initially would be China - if the US economy is contracting, are they able to forge the partnership that's lead them into producing consumer goods for the American market? If not, what do they do about urban migrants?
 
I wish to preface this question with the 'disclaimer' that I know almost nothing about agriculture and farming practices, in case the question sounds totally stupid and naive.

But am I correct in reading from the OP, that the Mad Cow outbreak (and I am speaking about the Mad Cow outbreak in OTL here) was caused by: BSE-infected cattle, were slaughtered and turned into bone meal. This cattle-based bone meal, was then fed to cattle, who in turn developed BSE?

Question: Is it a 'regular' or 'typical' farming practice to feed animals feed based on by-products of the same species?
 
It would have seemed a perfectly safe practice at the time. The meat was heat-treated (i.e. cooked) beforehand, which as far any anybody knew would kill all known pathogens (nobody knew of the existence of prions and their imperviousness to pretty much everything). It requires a similar break with then universally accepted understanding of disease to realize that humans could then subsequently become infected by eating properly cooked meat.

Also it's important for this practice to become very widespread and industrialized before there's much chance BSE will spread. Presumably the zero-cases were spontaneous, and while I don't know how often that happens in cows, in humans the rate is only about one case per one million persons per year! Still, once you're talking hundreds of millions of cows being involved its emergence soon becomes a near certainty (hence my proposed timelines rapid and universal adoption of the practice).

Fascinatingly / tragically, however, Kuru is thought to have emerged in New Guinea when one of these one-in-a-million spontaneous suffers was cannibalized among a small band of ritual cannibals, becoming an epidemic among thereafter, so even with a small population to work with sometimes bad luck can make the vanishingly-unlikely a terrifying reality.
 
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