Maryn McKenna

Journalist and Author

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Highest Rates Ever Recorded of Multi-Drug-Resistant TB

February 16, 2012 By Maryn Leave a Comment

On the heels of the news of totally drug-resistant (TDR) TB being identified in India — and disavowed, unfortunately, by the Indian government — the World Health Organization has released an update on the background situation of drug-resistant TB around the world.

The news is not good. Drug-resistant TB is at the highest rates ever recorded.

[Read more…]

Filed Under: Science, Science Blogs, Superbug Tagged With: Africa, Europe, india, Russian, Science Blogs, TB, TDR, Who

Running Out of Antibiotics: Europe Gets It

November 20, 2011 By Maryn Leave a Comment

In the United States, it’s been “Get Smart About Antibiotics” Week this past week, an annual observance in which the Centers for Disease Control and Prevention and its medical and public health partners try to raise awareness of antibiotic resistance. The real action this week though was in Europe, where individual researchers and the EU’s version of a CDC — the European Centre for Disease Prevention and Control — are speaking out about the problem with unusual candor.

Here’s the short version: In Europe, according to the ECDC, 25,000 people each year die as a result of multi-drug resistant infections, causing an additional cost to society of 1.5 billion Euros ($2.02 billion): 938 million Euros ($1.27 billion) in hospital and outpatient medical costs, and an additional  596.3 million Euros ($806 million) in lost productivity.

Dr. Marc Sprenger, director of the ECDC, said Friday:

This certainly is an underestimate of the true economic impact of antimicrobial resistance. In particular, the figures were based on data for just five multidrug-resistant bacteria.The estimate was also based on a conservative figure for the cost of a day in hospital… We think the real cost of treating a patient with a multidrug-resistant infection would be higher than this. My take home message is that antimicrobial resistance is one of the most serious public health challenges that we face.

[Read more…]

Filed Under: Science, Science Blogs, Superbug Tagged With: agriculture, antibiotics, CDC, ECDC, Europe, Klebsiella, Resistance, Science Blogs

EU Parliament Votes To Oppose Most Farm Antibiotic Use

November 7, 2011 By Maryn Leave a Comment

A quick post, because I’m on a ferocious deadline, but still can’t let this news go by. In a vote that’s non-binding but high profile and influential, the European Parliament has resolved to end “prophylactic use” of antibiotics in farming, and to prevent any “last resort” antibiotics from being used in animals, in order to keep resistance from developing so that the drugs will still be effective in human medicine.

This is a significant development. The European Union has already banned “growth promotion,” the use of micro-doses of antibiotics that cause meat animals to fatten more quickly. What the Parliament is doing here is asking the European Commission, the EU’s law-making body, to add “disease prevention” use to the ban. That’s the delivery of treatment-strength doses of antibiotics to all animals on a farm in order to prevent their becoming ill as a result of the confinement conditions in which they are held. It accounts for a substantial portion of the antibiotics used in agriculture, and is a major driver of the emergence of antibiotic-resistant organisms.

[Read more…]

Filed Under: Science, Science Blogs, Superbug Tagged With: agriculture, antibiotics, Europe, food, food policy, growth promoters, Resistance, Science Blogs

Government Health Agency Agrees Mega-Farms Are A Health Risk (In The UK)

November 4, 2011 By Maryn Leave a Comment

It’s very odd sometimes watching how the same issues play out in different parts of the world. The French environment ministry confidently ascribes the growth of seaweed choking its beaches to farm runoff. The European Parliament denounces the establishment of very large-scale “meat factories.” China (China!) enacts a ban on growth-promoting uses of antibiotics in agriculture.

Here in the United States, on the other hand, the government gropes unsuccessfully for a way to put controls on confinement agriculture, despite evidence of its environmental harm, while at the same time those farms grow by an estimated 4,600 hogs and 5,800 broiler chickens per day.

For more of that difference between Europe and the US, look this week to England, where the Health Protection Agency has just rejected the zoning application for a hog farm that was small by US standards, with a plan for only 2,500 sows producing about 20,000 piglets. The HPA said:

… those living up to 150 meters downwind of an intensive swine farming installation could be at risk of adverse human health effects associated with exposure to multi-drug resistant organisms. (this .pdf, p.30 of 44)

[Read more…]

Filed Under: Science, Science Blogs, Superbug Tagged With: agriculture, antibiotics, China, england, Europe, food, food policy, france, pigs, Resistance, Science Blogs

Opposing industrial-scale pig farming — in Europe

February 9, 2011 By Maryn Leave a Comment

Well, wow. National legislators stand up to oppose the use of tax revenues to subsidize large-scale confinement pig farms out of concern for food safety and antibiotic resistance, declaring that they are “going to war in defense of pigs.”

In Europe, though.

At the European Parliament today, three national representatives — Janusz Wojciechowski of Poland, José Bové of France and Dan Jørgensen of Denmark — declared their opposition to industrial-scale swine agriculture, positioning themselves for a fight over the European Union’s Common Agriculture Policy, which is up for revision this summer.

Jørgensen represents the country that has done the most to place controls on agricultural antibiotic use; Bové is a farmer and political organizer who famously destroyed a McDonald’s by driving a tractor through it; and Wojciechowski is the son of pig farmers who wrote on his blog today:

Chcemy poruszyć sumienia posłów i doprowadzic do likwidacji tego typu “fabryk miesa” w Unii Europejskiej, no czywiscie takze w Polsce, gdzie takich fabryk jest juz ponad sto.
Chcemy doprorowadzic do tego, aby wielkie fermy nie były wspierane środkami europejskimi, aby wstrzymać lokalizacje nowych obiektów, po czym stopniowo likwidować te, które już istnieją.
Chcemy, żeby na miejsce fabryk miesa powróciła normalna hodowla świń.

We want to move the conscience of members and lead to the liquidation of this type of “meat factories” in the European Union, also in Poland, where such plants are already over a hundred.
We want to ensure that large farms are not supported by the European funds to stop the locations of new facilities, then gradually eliminate those that already exist.
We want “meat factories” returned to normal breeding of pigs. (via GoogleTranslate)

As I’ve written before (long archive here and here),the MRSA strain ST398 arose on Dutch pig farms in 2004, among pigs that had been given prophylactic doses of antibiotics, especially tetracycline. It has since spread through the EU, Canada and the United States, affecting not only farm workers and veterinarians, but also hospital patients with no connection to agriculture.

(Self-promotion alert: This may be a good time to tell you that my book SUPERBUG: The Fatal Menace of MRSA, which tells the full story of the emergence and spread of ST398, has just been released in paperback.)

In advance, this morning the trade paper Farming UK wrote this about the planned European Parliament announcements:

(Members of the European Parliament) will hear evidence that European taxpayers’ money is being used by the European Bank for Reconstruction and Development, together with Common Agriculture Policy payments, to subsidise industrial pig farming even though there is increasing concern over the impact on human health. With a vote this summer over reforms to the Common Agricultural Policy, MEPs will come together to take a stance against the crisis in agriculture with critically low prices for pork, poor labelling, and widespread disregard for animal welfare laws.

MEPs and NGOs will condemn the overuse of antibiotics in factory farms which has led to the emergence of antibiotic-resistant bacteria such as MRSA and ESBL E. coli. A recent report by the Dutch Food Standards Agency estimated that one third to one half of all antibiotic resistance in human diseases in the Netherlands derives from farm antibiotic use. American scientists recently found that flies and cockroaches from intensive pig farms carry bacteria resistant to the same antibiotics routinely used in pig farming, and warned that the insects were likely to be able to spread the disease from the farms to local people.

The event was co-organized by Tracy Worcester, who is both a British aristocrat and director of a documentary, Pig Business, that has not yet been shown in the US. Here’s its trailer:

[HTML1]

In both medicine and agriculture, Europe has been ahead of the US in addressing concerns about antibiotic resistance. This morning’s announcements are yet more evidence of just how far ahead they are.

Flickr/VickyTGAW/CC

Filed Under: Science, Science Blogs, Superbug Tagged With: agriculture, antibiotics, Europe, food, food policy, Science Blogs, ST398

Antibiotic resistance: Scandinavia gets it

September 8, 2010 By Maryn Leave a Comment

Odd but interesting fact: Scandinavia takes antibiotic resistance incredibly seriously. Denmark has one of the most thorough programs for preventing antibiotic misuse in agriculture; Norway has very tough regulations regarding antibiotic stewardship in hospitals (as captured in this AP story last year). Sweden has pressed the issue as well; drug resistance was a major issue for the Swedish Presidency of the European Union in the last half of 2009 and led to a major conference there on creating incentives to bring antibiotic manufacturers back into the market.

The presidency has since been relinquished to more southern countries (Spain in the first half of this year and now Belgium) but the Swedish focus on resistance persists, pushed along by the nonprofit organization ReAct, based at Uppsala University. Earlier this week, ReAct hosted a three-day international conference on antibiotic resistance in Uppsala. They haven’t posted the full conference report yet, but they have come out with a closing press release, which says some interesting things (emphases mine):

At a historic three day conference at Uppsala University, Sweden,
190 delegates representing 45 countries and many leading stake holders – civil society, academia, industry, governments, authorities, supranational organizations – agreed on Wednesday to turn a new page and move towards concerted action on antibiotic resistance…
The new signals from the Uppsala meeting include:
– A shared conviction that antibiotic resistance is a universal problem.
Like global warming, it requires joint action, not least by governmental alliances.
– A clear signal from the pharmaceutical industry that
return of investment on research and development of new antibiotics and diagnostic tools will have to be de-linked from market sales in order to boost necessary innovation while yet limiting the use of antibiotics. This requires a new business model where private and public sectors cooperate.
– A strong recommendation to all stakeholders to
speed up the efforts to limit unnecessary use of antibiotics, while at the same time making the medicines affordable and accessible in developing countries.
– A commitment to
improve the monitoring of antibiotic resistance across the world, through shared data and increased efforts. A global network of surveillance will require common methods, and is crucial for both prudent use and needs driven development of new agents.

The release also mentions some promising events coming next year:

– A final report from TATFAR, The Transatlantic Task Force on Antibiotic Resistance.
– A policy meeting on antibiotic resistance in Delhi, India.
– A WHO Action Plan on Antibiotic Resistance.
– A number of regional initiatives, including in Southeast Asia, Africa and The Middle East.

(Hmm. Surely it is time for me to go back to India…)

People who’ve worked in this field for a long time will know, of course, that up-front commitments are easy to make; it’s downstream action, carried out over the long term, that makes a difference. But this looks like a promising start: Even just stimulating international recognition of the program is an encouraging beginning.

Until the final conference report is posted, you can see video of the opening and final sessions here.

Filed Under: Science, Science Blogs, Superbug Tagged With: Denmark, Europe, Norway, Resistance, sweden

Antibiotic resistance in food — some governments pay attention

April 29, 2010 By Maryn Leave a Comment

Folks, I told you Tuesday about a Congressional hearing on antibiotic resistance, featuring NIAID Director Dr. Anthony Fauci and CDC Director Dr. Thomas Frieden. Not much new was said, but it’s encouraging that the hearing was held at all. (Fauci testimony here, Frieden here.)

Coincidentally, constant reader Pat Gardiner of the UK alerted me to a gathering being held on the same day in Ireland, by the quasi-government agency SafeFood—which reports to the North-South Ministerial Council of Ireland, which deals with whole-island issues under the Good Friday agreement, which is more about the Irish political structure than you probably ever wanted to know.

The conference was titled Antimicrobial resistance and food safety and featured government officials and academic researchers from across Ireland. Here’s the agenda, and here’s the press release with the names of key speakers. Even more important, here are links to a report on antibiotic resistance in food that Safefood released in advance of this conference: executive summary and whole thing.  I especially recommend from p.25 in the big report for an accessible discussion of the connections between ag antibiotic use and human health. Key quote among many:

The majority of the evidence acquired through outbreak and epidemiological investigations of sporadic infections, field studies, case reports, ecological and temporal associations and molecular sub-typing studies support the causal link between the use of antimicrobial agents in food animals and human illness. A few papers have questioned this but these have not survived detailed scrutiny.

It’s refreshing to see a government body engage seriously with this emerging issue, which we’ve been talking about for, well, years now, on this blog (sometime this month we passed our 3-year anniversary). I wish, wistfully, that the government doing the discussing was ours.

Filed Under: Science, Science Blogs, Superbug Tagged With: animals, Europe, food, food policy, Science Blogs, ST398

New film on organic farming (for European readers and Francophones)

February 12, 2010 By Maryn Leave a Comment

This is a little outside our usual subject matter, but:

What looks like a marvelous new documentary exploring environmental damage and human illness from pesticides and other farming chemicals is coming out in France, but needs assistance to get onto the international festival circuit. It’s called Nos enfants nous accuseront (Our Children Will Hold Us Responsible), and among other things, looks at the efforts of a French village to make all the food served in its schools organic — which, even in food-centric France, is much harder than it sounds.

You can view the trailer here. The more clicks, the more the film will be taken to have support, and the higher its rankings will go for festival consideration.

It comes well-recommended by friends of mine in Paris, so I hope you’ll take a look.

Filed Under: Science, Science Blogs, Superbug Tagged With: animals, Europe, farming, food, Science Blogs

Antibiotics in chickens, and links to human infections

December 30, 2009 By Maryn Leave a Comment

From the January issue of Emerging Infectious Diseases, published by the CDC (and therefore free. Must I keep urging you to read it? Go, already), here’s a roundup of bad news about bad bugs.

In Canada, researchers from that country’s Public Health Agency have found a “strong correlation” between the use of ceftiofur, a third-generation cephalosporin, in chickens; the rates of a resistant strain of Salmonella in chickens; and the appearance of that same strain in humans. The strain is Salmonella enterica serovar Heidelberg, one of the most common salmonella strains in North America, and one which can be nasty: It may cause mild illness, but also causes septicemia and myocarditis and can kill. Quebec created an unplanned natural experiment: Hatcheries there were broadly using ceftiofur until 2004, backed off from its use in 2005 and 2006, and then began using it again in 2007 in response to a growing problem with a particular infection. When the drug was withdrawn, resistant infections in birds and humans plunged; when it was reintroduced, they rose again. (Look at the black and red lines in the graph above left.)

Meanwhile, broiler chickens in Iceland are passing fluoroquinolone-resistant E. coli to humans there. Researchers at the University of Iceland were puzzled by an earlier finding that bacteria resistant to fluoroquinolones (a family that includes the human drug Cipro) were increasing among chickens raised in Iceland, despite strict controls on antibiotic use in food animals and stringent disinfection in chicken batteries after cohorts of birds were sold for slaughter and removed. They have two findings: The source of the resistant bacteria in the birds appears to be feed contaminated with resistant E. coli; and resistant bacteria in Iceland residents are microbiologically indistinguishable from those in the birds. Because E. coli is a very diverse organism, the very close resemblance between the isolates from chickens and the isolates from humans pins chickens as the likely source.

And just to make clear we’re not blaming every microbiological evil on farming: Seagulls in Portugal have been found carrying multi-drug resistant E. coli in their feces. The public health concern here is obvious: Just think back to the last time you were at a beach, or anywhere else seagulls frequent, and envision a seagull perch — and the masses of seagull droppings streaking it. Now imagine those droppings transmitting antibiotic-resistant E. coli into the surrounding environment: the boardwalk, the beach, the towels… Additional problem: Seagulls are migratory birds, so the resistant bacteria easily cross borders and oceans.

Filed Under: Science, Science Blogs, Superbug Tagged With: animals, antibiotics, Canada, Europe, food, food policy, Iceland, Science Blogs

Antibiotics – the EU pipeline is empty too

November 27, 2009 By Maryn Leave a Comment

We’ve talked before about the shrinking number of drugs available to treat MRSA and about the challenges of getting new drugs to market. Well, it’s not just a problem in the United States.

A new report from the European Centre for Disease Prevention and Control (ECDC) and the European Medicines Agency (EMEA) — that’s the CDC and the FDA of the European Union — analyzes the bench-to-market “pipeline” of new drug development in the EU and finds… not good news. Out of 167 antibacterial agents that are somewhere in the pipeline of development, only 15 look likely to improve treatment of resistant organisms over drugs that already exist — and 10 of those 15 are in early-stage trials and will not come to market anytime soon.

That leaves 5 potential new drugs, for an epidemic of antibiotic resistance that, just in the EU, causes 25,000 deaths and $1.5 billion Euros ($2.27 billion) in extra healthcare spending each year.

(Within that epidemic of resistance, by the way, the single most common organism is MRSA.)

It’s worth understanding how the agencies conducted their analysis. When we look for new drugs to treat resistant organisms, we ideally need several things:

  • a formula or molecule that is new (and not just an improved version of an existing one, because if bacteria have developed resistance against the existing one, they have a head start in developing resistance against the new one)
  • a new mechanism or target on the bacterial cell, and not an improved version of an existing one (ditto)
  • evidence that it works in living organisms, and not just in lab dishes (in vivo, not just in vitro)
  • evidence that it can be given internally, not just topically (necessary for addressing the most serious infections)
  • and some indication that it is making its way through the regulatory approval process in time to achieve some practical good.

Here’s what the EU pipeline looks like:

  • 167 agents in process
  • 90 that have shown effectiveness in vivo
  • 66 that are new substances
  • 27 that have a new target or mechanism
  • 15 that can be administered systemically

If you’re wondering whether you should be depressed, the answer is Yes.

… it is unclear if any of these identified agents will ever reach the market, and if they do, they may be indicated for use in a very limited range of infections.

The agencies call for a concerted government effort to turn this around, and ask for quick action because it takes years to get drugs through the pipeline:

…a European and global strategy to address this serious problem is urgently needed, and measures that spur new antibacterial drug development need to be put in place.

This echoes a call that has already been made in this country by the Infectious Diseases Society of America, which has asked for changes in incentives to drug-makers, and has backed what’s known as the STAAR Act (STrategies to Address Antimicrobial Resistance). With this latest EU report — which comes on the heels of a US-ER agreement to work cooperatively on resistance — the IDSA is asking for an international commitment to bringing forth 10 new drugs in 10 years, what they are calling 10 x ’20.

Filed Under: Science, Science Blogs, Superbug Tagged With: antibiotics, drug development, Europe, MRSA, Science Blogs

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