The spread of infectious diseases through surfaces and objects has become a major concern worldwide. We touch many surfaces outside and bring germs inside our homes every day. Therefore, it is important to regularly disinfect high touch surfaces to prevent the spread of infections. In this article, we will discuss the need for using surface disinfectants, types of commonly used disinfectants, and recommended practices.
Need for Surface Disinfectants
Germs can live on surfaces like doorknobs, keyboards, cell phones, toys, utensils etc. for hours or sometimes days. When we touch these surfaces and then touch our face or food without washing hands, we risk transferring these germs into our bodies. This is how many infectious diseases spread indirectly from one person to another. Some common illnesses that spread through contaminated surfaces include influenza, norovirus, staphylococcus aureus, hepatitis A virus, respiratory infections etc. Regular use of effective surface disinfectants kills harmful germs and reduces the risk of contracting infections.
Types of Surface Disinfectants
A variety of chemical Surface Disinfectant are available for disinfecting surfaces in homes, offices, hospitals and other public places. Some of the commonly used disinfectant types are:
- Alcohol-based disinfectants: Disinfecting wipes or sprays containing at least 70% isopropyl or ethyl alcohol are effective against many germs. Alcohol disinfectants quickly evaporate and are suitable for small surfaces.
- Bleach disinfectants: Diluted bleach solutions (1/3 cup bleach per 1 gallon of water) can kill bacteria and viruses. Bleach disinfectants are inexpensive but require rinsing with water and should not be used on food contact surfaces.
- Hydrogen peroxide disinfectants: Ready-to-use hydrogen peroxide based products or diluted solutions are broad spectrum disinfectants suitable for household disinfecting. They leave no residue but may damage fabrics and electronics in high concentrations.
- Quaternary ammonium compounds: These are chemical disinfectants found in common household cleaners which provide long lasting protection on surfaces. However, they may require longer contact time for high level disinfection.
Disinfecting Protocols and Recommended Practices
It is important to select a Surface Disinfectant that is suitable for the surface to be disinfected and use it according to label instructions for maximum effectiveness. Some general recommendations include:
- Wear disposable gloves while disinfecting and wash hands afterward. This prevents the spread of germs to other surfaces or yourself.
- Always read product labels and follow manufacturer instructions on concentration, contact time, safe usage and storage. Under-disinfecting or over-use can both be harmful.
- Clean visible dirt and debris from surfaces first before disinfecting. Disinfectants work best on clean surfaces without any organic matter.
- Pay special attention to frequently touched surfaces like doorknobs, light switches, faucets, cabinet handles, remote controls, phones and keyboards which are touched by many people.
- Disinfect bathroom surfaces after every use since bathrooms harbor high levels of germs. Also disinfect kitchen countertops before and after food preparation.
- Use disinfectant spray or wipes to disinfect electronics like smartphones, tablets or laptops which are carried all around. Avoid excessive moisture near devices.
- Dilute bleach solutions in small batches per use and discard left-overs, as diluted bleach loses potency with time. Wipe up spills immediately to prevent fabric discoloration or damage.
- Consult safe disinfecting practices from reputed sources for specific situations like daycares, hospitals, health clubs etc.
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