01
May
2015
Outbreaks

Recent Trends in Waterborne Disease Outbreaks in the US


12
Sep
2014
Outbreaks
by Joan B. Rose, PhD

What Happened to Toledo’s Drinking Water: Understanding Microcystins

This summer, 500,000 residents in and around Toledo, Ohio were alerted that their tap water had been declared undrinkable as a result of microcystin contamination.  For several days, residents could not shower or cook with their tap water and they were instructed to drink bottled water while some restaurants, schools and businesses closed, inconveniencing many. ... Read More »

29
Aug
2014
Outbreaks
by Stephen A. Hubbs, PE

Addressing Legionella: Public Health Enemy #1 in US Water Systems

The United States has one of the safest drinking water supplies in the world, thanks to the steadfast efforts of thousands of water treatment professionals. The men and women of the water treatment industry implement technologies 24/7 that protect us from former waterborne killers like typhoid fever, cholera and hepatitis A. With those enemies held at bay, what, you may ask, is the greatest microbial threat lurking in US tap water today? The answer is the bacterium Legionella, public health enemy #1 in US water systems, posing a particular risk to hospital patients. Controlling Legionella will take some novel approaches and regulatory adjustments.... Read More »

25
Apr
2014
Outbreaks
by Joan B. Rose, PhD

CNN Highlights the Water Crisis in Haiti

A sixteen year old girl in Miami wakes up on a normal day, showers, dresses, eats breakfast, and is off to school, filled with thoughts of friends and classes. Seven hundred miles away in Haiti, sixteen year old Vidjinia Methelus begins her day at dawn with a 30 minute walk to an irrigation stream where... Read More »

10
Jan
2014
Outbreaks
by Stephen Gradus, PhD

Milwaukee, 1993: The Largest Documented Waterborne Disease Outbreak in US History

An Interview with Dr. Stephen Gradus, Ph.D., MT(ASCP), D(ABMM), City of Milwaukee Health Department. Waterborne disease outbreaks are relatively rare events in our time, but just over two decades ago, Milwaukee experienced the largest documented drinking water outbreak in US history. Caused by the chlorine-resistant parasite Cryptosporidium parvum,the outbreak affected over 400,000 people—25 percent of... Read More »

03
May
2013
Outbreaks
by Chris Wiant, MPH, PhD

Remember the Alamosa (Outbreak)!

“Remember the Alamo!” was the battle cry of Texans avenging the deaths in 1836 of nearly 200 of their own at the hands of the Mexican Army at the Alamo, a small mission chapel in San Antonio.  One hundred seventy-two years later in Alamosa, Colorado—a place with a similar name—a different sort of battle was... Read More »

25
Jan
2013
Outbreaks
by Chris Wiant, MPH, PhD

Cholera: Overcoming the Symptoms and the Disease

Global cholera is as much a symptom of a failure of the global community as it is a disease of the developing world. That is the opinion of a trio of public health physicians writing in The New England Journal of Medicine (NEJM, January 9, 2013, “The Cure for Cholera – Improving Access to Safe... Read More »

19
Oct
2012
Outbreaks
by Chris Wiant, MPH, PhD

Naegleria Risk May Rise When Water Supplies are Underchlorinated

A new outbreak of the brain-attacking amoeba Naegleria fowleri claimed the lives of ten victims in Karachi, Pakistan this year, according to an October 10 CNN report. Tests of the city’s water supply found either no chlorine or insufficient chlorine levels in 22 percent (198 of 900) of samples taken around Karachi. Officials linked the... Read More »