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1 .This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?
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2 .Lyme disease may be the most well known illness spread by ticks.
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3 .But it's far from the only one.
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4 .The most common vector for Lyme is the deer tick, and it spreads five other known pathogens.
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5 .One of those pathogens is what's called the Babesia parasite.
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6 .It infects red blood cells, like malaria, causing the sometimes-fatal disease babesiosis.
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7 .Now we learn that these tick-borne diseases may have more in common than their host.
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8 .Because Lyme disease may actually facilitate the spread of babesiosis.
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9 .That's according to a study in the journal PLOS ONE.
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10 .Researchers allowed ticks to feed on mice infected with babesiosis, or with both babesiosis and Lyme.
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11 .And ticks that fed on mice with just babesiosis were less likely to pick up the parasites than were ticks who munched on mice carrying both infections.
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12 .Study author Maria Diuk-Wasser of Columbia University says the one-two punch of both diseases could be too much for the mice to handle.
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13 ."The immune system may be, we could say, occupied with one pathogen, and decreases the response to the other one."
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14 .Based on field studies, she and her co-authors believe the same phenomenon may be happening in nature, too.
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15 .For now, at least, babesiosis isn't as widespread as Lyme.
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16 .And if these results are correct, cutting down on Lyme's prevalence might also slow the spread of babesiosis,
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17 ."So we would get a synergistic effect of a control method that would attack both diseases at the same time."
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18 .If, that is, we can find a truly effective way to limit Lyme.
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19 .Thanks for the minute, for Scientific American 60-Second Science. I'm Christopher Intagliata.
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