Disinfectants-What can they kill?

In our previous post we discussed the wide range of disinfectants that are available, as well as some of the limitations that limit how effective disinfectants can be. In this post we will review in detail the microbiocidal ability of the classes of disinfectants which we have also handily...


Disinfectants-How do they work?

We have previously reviewed the how, the what and the who of disinfection , but in this post we want to look in more detail at how disinfectants work. There are a number of disinfectants, and manufacturers to choose from, but in this post we are going to look at the mode of action of the major...


Sterilizers-How do they work?

In our last series of posts we reviewed the options for manual cleaning and disinfection , as well as the options for touchless disinfection technologies to complement manual disinfection. In the next series of posts we will dive more deeply into what makes up some of the disinfection agents from...


A summary of manual cleaning and disinfection, and touchless disinfection technologies

A variety of our recent posts have looked at both manual cleaning and disinfection, how effective manual efforts are,  and touchless disinfection technology to complement manual cleaning regimes. We also reviewed what data is available and how to rate that data when considering investing in a...


What levels of evidence need to be considered when reviewing a touchless disinfection system?

In the last post my colleague Dr Vikram Kanmukhla reviewed in detail the options for touchless disinfection systems as add on to manual cleaning and disinfection processes. In that post he reviewed the variety and depth of technologies. One of the overarching comments to that post is that all of...


Environmental manual cleaning and disinfection

In previous posts we have reviewed the difference between "clean" and hygienic (see here and here). In this post I wanted to delve deeper into the choices of disinfectants for manual cleaning. We describe cleaning by hand as manual cleaning as it requires physical intervention in order to reduce...


Biocides, Germicides, Sporicides and Antimicrobials-what's in a name?

In a recent blog post by Jon Otter ( I recommend you follow him also)  he reviewed antibiotics, anti-infectives and other infection related antimicrobials by their desired functionality and also built a hierarchy of these products. This post was really interesting, and made me think about where we...


What are the standards for contamination levels of surfaces in hospitals?

In our recent blog postings, we have examined some of the growing levels of evidence for contamination (both bacterial and fungal) of high touch surfaces in the environment. In addition those high touch surfaces are the same surfaces that are not only contaminated but also interacted with by...


Most touched and most contaminated surface review

In our recent blog posts we have reviewed a number of important topics. In this post I want to summarize some of the key points from our previous posts and combine these findings with a handy infographic to summarize visually some of the key points. To summarize some of our earlier posts; In our...


What surfaces are frequently touched in the hospital environment?

In previous posts (here and here) we have already reviewed bacterial and fungal nosocomial pathogens that are found in the hospital environment. We have also reviewed the variety of surfaces that can be colonized (here). These bacterial and fungal pathogens, which originate mainly from infected or...