New bacteria linked to tattoo infections - USA Today

The infections involved Mycobacterium haemophilum, which usually only strikes individuals whose immune system are compromised. In this instance, however, the patients, both from Seattle, developed rashing despite the fact that both had normal immune systems, a report on the investigation found.
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Myrna L. Armstrong, professor emeritus at the school of nursing at Texas Tech University's Health Sciences Center in Lubbock, said the investigation serves to highlight the general risks of getting a tattoo.

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