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Category: Disease Investigation

Keeping Cool Under Pressure: NYC Legionnaires’ Disease Outbreak, Summer 2015

An outdoor HVAC air conditioner unit located on a high-floor porch of a midtown Manhattan skyscraper.

In the summertime when the weather is hot, having air conditioning to help keep you cool can be a sweet relief. Have you ever felt a fine mist when walking past large buildings in the heat of the summer? That mist may have been water droplets from rooftop cooling towers that keep large air conditioning systems―like those found in hotels―running efficiently, even when temperatures are soaring outside. When these cooling towers are not properly maintained, they can become a home for Legionella bacteria Read More >

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Unveiling the Burden of Dengue in Africa

Mosquito sucking blood on human skin with nature background

Most travelers to Africa know to protect themselves from malaria. But malaria is far from the only mosquito-borne disease in Africa. Recent studies have revealed that dengue, a disease that is well recognized in Asia and the Americas, may be commonly misdiagnosed as malaria in Africa. Read More >

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CDC Offers Hope in Fighting Brain-Eating Ameba

Magnified 500X, this 1971 photomicrograph depicted some of the histopathologic changes associated with an infection found in a brain tissue specimen due to the presence of free-living amoebae of the genus, Naegleria.

By Sioux Henley Campbell   Fighting Brain-Eating Ameba [i] It sits in a blister pack, secured in a nondescript office at the Centers for Disease Control (CDC), just a few phone calls away from being flown to a patient’s bedside for emergency treatment. Miltefosine is one of several drugs used to treat rare[ii] diseases that the Read More >

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The Anatomy of an HIV Outbreak Response in a Rural Community

Drug abuse with people sharing the same syringe to inject heroine

In a small, rural town in Southern Indiana, a public health crisis emerges.  In a community that normally sees fewer than five new HIV diagnoses a year, more than a hundred new cases are diagnosed and almost all are coinfected with hepatitis C virus (HCV). How was this outbreak discovered, and what caused this widespread Read More >

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Clarity on Cholesterol Management and Why We Need It

stethoscope on a piece of paper on top of a computer next to reading glasses

By Jennifer Robinson, MD, MPH In the winter of 2013, the American College of Cardiology and the American Heart Association released new guidelines for treating blood cholesterol. These new guidelines, which I helped draft, moved away from focusing on a patient’s blood cholesterol level and, instead, put a focus on a patient’s risk for atherosclerotic Read More >

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An Unsuspected Treat Contaminated with Listeria. How about them Caramel Apples?

Caramel apples

By  Mandip Kaur and Brendan Jackson Oh, how sweet it is to enjoy a caramel apple when autumn sweeps in! Maybe you like yours topped with nuts? Sprinkles? How about chocolate? But who knew that this past fall, certain caramel apples would be contaminated with the dangerous Listeria monocytogenes bacteria (here, Listeria for short), and Read More >

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