COVID-19: Are you ready for the next normal?

COVID-19: How Long Can the Virus Survive on Surfaces?

April 10, 2020

    Hung Cheung, MD, MPH, FACOEM – Environmental Epidemiology, Toxicology, Public Health COVID-19: How Long Can the Virus Survive Read More >>

Risk Communication for Public Health Professionals

March 13, 2018

During the “Syringe Tide” of the 1987-88, the beaches along the Eastern Seaboard were littered with raw garbage and medical Read More >>

Raw Water – Harmless Trend or Public Health Hazard?

January 12, 2018

Every day it feels like a new trend is rolling through social media. One day it’s avocado toast, the next Read More >>

Why should we care about biofilm?

January 4, 2018

In public health, biofilms aren’t Ashton Kutcher acting in a movie about Steve Jobs! While definitely not as glamorous as Read More >>

From Lake to Tap: The Journey of Raw Water

December 5, 2017

How do we know if water is drinkable? While water in a lake or river may look clear, does that Read More >>

What Lurks in Public Drinking Water?

December 1, 2017

Think about this. Where do cities and municipalities get their water? What feeds into the reservoirs? Do animals and humans Read More >>

Dr. Cheung Speaks at AIHA Fall Conference on Leadership and Management

November 23, 2017

At last month’s AIHA Fall Conference on Leadership and Management in Tampa, FL, Cogency’s President and Founder, Dr. Hung Cheung, Read More >>

How to Avoid Greenwashing

November 21, 2017

Now that we know what greenwashing is and the different ways manufacturers and advertising agencies manipulate consumers, the final question is Read More >>

The Seven Sins of Greenwashing

November 16, 2017

LaVar Ball famously boasted, “Back in my heyday, I would kill Michael Jordan one on one.” Comments like this in Read More >>

Legionnaire’s Disease Outbreaks from Drinking Water

November 13, 2017

Two recent studies released by the CDC show that there has been a significant increase in the number of waterborne Read More >>