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A Killer Without Borders

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  • A Killer Without Borders

    December 7, 2008
    Op-Ed Columnist

    A Killer Without Borders
    By NICHOLAS D. KRISTOF

    http://www.nytimes.com/2008/12/07/opinion /07kristof.html

    YEREVAN, Armenia

    As if you didn't have enough to worry about ... consider the deadly,
    infectious and highly portable disease sitting in the lungs of a
    charming young man here, Garik Hakobyan. In effect, he's a time bomb.

    Mr. Hakobyan, 34, an artist, carries an ailment that stars in the
    nightmares of public health experts - XDR-TB, the scariest form of
    tuberculosis. It doesn't respond to conventional treatments and is
    often incurable.

    XDR-TB could spread to your neighborhood because it isn't being
    aggressively addressed now, before it rages out of control. It's being
    nurtured by global complacency.

    When doctors here in Armenia said they would introduce me to XDR
    patients, I figured we would all be swathed in protective clothing and
    chat in muffled voices in a secure ward of a hospital. Instead, they
    simply led me outside to a public park, where Mr. Hakobyan sat on a
    bench with me.

    "It's pretty safe outside, because his coughs are dispersed," one
    doctor explained, "but you wouldn't want to be in a room or vehicle
    with him." Then I asked Mr. Hakobyan how he had gotten to the park.

    "A public bus," he said.

    He saw my look and added: "I have to take buses. I don't have my own
    Lincoln Continental." To his great credit, Mr. Hakobyan is trying to
    minimize his contact with others and doesn't date, but he inevitably
    ends up mixing with people.

    Afterward, I asked one of his doctors if Mr. Hakobyan could have
    spread his lethal infection to other bus passengers. "Yes," she said
    thoughtfully. "There was one study that found that a single TB patient
    can infect 14 other people in the course of a single bus ride."

    Americans don't think much about TB, just as we didn't think much of
    AIDS in the 1980s. But drug-resistant TB is spreading - half a million
    cases a year already - and in a world connected by jet planes and
    constant flows of migrants and tourists, the risk is that our myopia
    will catch up with us.

    Barack Obama's administration should ensure it isn't complacent about
    TB in the way that Ronald Reagan was about AIDS. Reagan didn't let the
    word AIDS pass his lips publicly until he was into his second term,
    and this inattention allowed the disease to spread far more than
    necessary. That's not a mistake the Obama administration should make
    with tuberculosis.

    One-third of the world's population is infected with TB, and some 1.5
    million people die annually of it. That's more than die of malaria or
    any infectious disease save AIDS.

    "TB is a huge problem," said Tadataka Yamada, president of global
    health programs for the Bill and Melinda Gates Foundation. "It's a
    problem that in some ways has been suppressed. We often don't talk
    about it."

    Ineffective treatment has led to multi-drug resistant forms, or
    MDR-TB. Scarier still is XDR-TB, which stands for extensively drug
    resistant TB. That is what Mr. Hakobyan has. There were only 83 cases
    of XDR-TB reported in the United States from 1993 to 2007, but it
    could strike with a vengeance.

    "We always think we live in a protected world because of modern
    medicines and the like," Dr. Yamada said. "But if we get a big problem
    with XDR, we could be in a situation like we had in the 19th century
    when we didn't have good treatments."

    If we were facing an equivalent military threat capable of killing
    untold numbers of Americans, there might be presidential commissions
    and tens of billions of dollars in appropriations, not to mention
    magazine cover stories. But with public health threats, we all drop
    the ball.

    Because of this complacency about TB, there hasn't been enough
    investment in treatments and diagnostics, although some new medication
    is on the horizon.

    "Amazingly, the most widely used TB diagnostic is a 19th-century one,
    and it's as lousy as you might imagine," said Dr. Paul Farmer, the
    Harvard public health expert whose Partners in Health organization was
    among the first to call attention to the dangers of drug-resistant TB.

    In Armenia, the only program for drug-resistant TB, overseen by
    Doctors Without Borders, can accept only 15 percent of the patients
    who need it. And the drugs often are unable to help them.

    "After two years of treatment with toxic drugs, less than half of such
    chronic TB patients are cured, and that's very demoralizing," noted
    Stobdan Kalon, the medical coordinator for Doctors Without Borders
    here. And anyone who thinks that drug-resistant TB will stay in places
    like Armenia is in denial. If it isn't defused, Mr. Hakobyan's XDR
    time bomb could send shrapnel flying into your neighborhood.

    I invite you to comment on this column on my blog
    www.nytimes.com/ontheground, and join me on Facebook at
    www.facebook.com/kristof.
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