The transmission of SARS-CoV-2, the virus that causes COVID-19, occurs primarily via direct contact with or respiratory droplets from an infected person. However, there is evidence to suggest that…
Topic Pages
Topic Pages introduce an aspect of the environment and its relation to public health by featuring a curated shortlist of NCCEH and external resources. The most relevant resources related to a topic have been selected to best guide the search for further information. These lists are not intended to be exhaustive, and the omission of any individual resource does not preclude it from having value.
During the extended “new normal” of the COVID-19 pandemic, it may be necessary to periodically close public buildings and facilities, followed by re-opening when safe again…
Legionella is an opportunistic premise plumbing pathogen (OPPP) that can cause illnesses including Pontiac fever and Legionnaires’ disease, a severe pneumonia named after an outbreak that…
Topics:
Biological Agents, Contaminants and Hazards, Food
Marine shellfish poisoning refers to illnesses in humans caused by consumption of marine bivalve shellfish (e.g., clams, mussels, oysters, scallops, cockles) that contain biotoxins (e.g., domoic…
This topic page is intended to help environmental health practitioners understand the guiding principles and public health objectives being used to develop cannabis policy, both federally and…
Topics:
Food
The definition of “ethnic food” depends on the geographic and cultural context in which the cuisine is found. Broadly speaking, ethnic foods are defined by others outside of the respective ethnic…
Cyanobacteria, commonly known as blue-green algae, are naturally occurring microscopic organisms found in fresh, brackish, or marine water that can release cyanotoxins into freshwater systems.…
Topics:
Contaminants and Hazards, Infectious Diseases, Food, Water
Norovirus is a group of highly contagious viruses that cause short-term gastroenteritis symptoms including nausea, vomiting, diarrhoea, and potentially chills and fever. Norovirus infection can…
Topics:
Built Environment, Food
The foods that people choose to consume are influenced by the availability, affordability, and accessibility of foods in the environments in which they live, work, and play. Defined by the built…
Floatation or float tanks have resurged in popularity since their initial commercialization in the 1970s. These tanks, pods, or chambers are intended to help users achieve certain physical and…
Topics:
Food
Public health is affected by the food choices people make, the quality and quantity of food available, and the ways food is produced. The modernization of food systems has resulted in complex…
Topics:
Built Environment, Pest Control
Bed bugs (Cimex lectularius) are small, elusive, and resilient insects that live by feeding on the blood of mammals, including humans. Bed bug infestations have become prominent worldwide…
Topics:
Contaminants and Hazards, Shale Gas
Hydraulic fracturing (also termed “fracking”) is the process used, along with horizontal drilling, to extract unconventional natural gas (shale gas, tight gas or coalbed methane) and tight oil…