Infection Control & Prevention: Your Complete Guide to Stopping the Spread Before It Starts

Posted by: Shawn Potter

Infection Control & Prevention: Your Complete Guide to Stopping the Spread Before It Starts

From hand hygiene to sterilization, how healthcare and dental professionals build an effective infection control program—and the products that make it work.

Every year, the Centers for Disease Control and Prevention (CDC) estimates that healthcare-associated infections (HAIs) affect millions of patients in the United States alone, with one in 38 US patients and one in 43 nursing home residents contracting at least one infection in association with their healthcare daily, costing billions in additional treatment and, in the most serious cases, lives. Yet the CDC and infection control experts consistently show that the overwhelming majority of HAIs are preventable — not through expensive technology, but through disciplined, evidence-based protocols and the right protective supplies.

Whether you run a dental practice, a medical clinic, a tattoo studio, or a long-term care facility, understanding infection control isn’t optional. It’s the foundation of professional practice. This guide walks through every layer of a sound infection prevention program, with specific product recommendations to help you build or reinforce yours.

What Is Infection Control—and Why Does It Matter?

Infection control refers to the policies, procedures, and products that prevent the transmission of infectious agents in healthcare and adjacent settings. The CDC defines it as a core competency for all clinical staff. The goal is to interrupt the “chain of infection” — the sequence of steps a pathogen must complete to spread from one person to another.

That chain has six links: an infectious agent, a reservoir, a portal of exit, a mode of transmission, a portal of entry, and a susceptible host. Break any single link, and you stop the infection. Effective infection protection means attacking multiple links simultaneously: eliminating pathogens on surfaces, creating physical barriers between practitioners and patients, and maintaining rigorous hand hygiene.

“-If even one link can be broken, infection can be prevented.”

-Delta College

The Hierarchy of Infection Prevention

The CDC’s infection control guidelines describe a layered approach. From broadest to most targeted, the key components are:

  1. Standard Precautions: Apply to every patient interaction regardless of known diagnosis. Includes hand hygiene, use of personal protective equipment (PPE), respiratory hygiene, and safe injection practices.
  2. Transmission-Based Precautions: Additional protections for patients with known or suspected infections spread by contact, droplet, or airborne routes.
  3. Environmental Controls: Surface disinfection, sterilization of instruments, and waste management.

Hand Hygiene: The Single Most Effective Measure

The CDC calls hand hygiene the most important single measure for preventing the spread of infection. According to the World Health Organization, proper hand hygiene reduces HAIs by up to 50%. Yet compliance remains a persistent challenge in busy clinical settings, which is why having the right products (accessible, effective, and easy to use) matters so much.

The CDC recommends using an alcohol-based hand sanitizer with at least 60% alcohol when hands are not visibly soiled, and soap and water when they are. For most routine use between patient contacts, a high-quality hand sanitizer is faster and equally effective.

Featured Product

PURELL® Advanced Hand Sanitizer — 70% Alcohol
PURELL is the gold standard in hand sanitizer trusted by healthcare facilities worldwide. At 70% ethyl alcohol, it meets and exceeds the CDC’s minimum 60% threshold for effective germ kill. The formula kills 99.99% of most common germs and dries quickly without leaving a sticky residue, which is critical when you need to re-glove rapidly between patients. PURELL is available in pump bottles and refill formats ideal for exam rooms, reception desks, and operatories.

Place hand sanitizer dispensers at every point of care: inside each exam room, at the entrance, and at nurse or hygienist stations. Accessibility drives compliance.

Gloves: Your Primary Barrier Against Pathogen Transfer

Medical examination gloves are the cornerstone of Standard Precautions. The CDC requires gloves whenever there is anticipated contact with blood, body fluids, mucous membranes, or non-intact skin. Gloves must be changed between patients and never reused or washed.

Choosing the right glove material matters:

  • Nitrile — The preferred choice for most clinical applications. Latex-free barrier protection, highly resistant to many chemicals, and excellent for those with latex sensitivities. Nitrile is the default in modern medical and dental practice.
  • Latex — Superior tactile sensitivity and elasticity, ideal for precision procedures. Not appropriate for patients or practitioners with latex allergies.
  • Vinyl — Economical and suitable for low-risk, short-duration tasks. Less durable than nitrile or latex.
  • Polychloroprene — Combines the fit of latex with latex-free chemistry. A premium alternative for sensitive users who require high tactile performance.

Recommended Gloves

Full Glove Collection — Nitrile, Latex, Vinyl & More TQM Glove World stocks a wide selection of medical-grade examination gloves, including the bestselling 2nd Skin nitrile line, BioGrip nitrile, Jeannie nitrile, TruGrip latex, and more, in sizes XS through XL, with bulk case pricing available.

Popular choices for infection control workflows: 

A Note on Glove Use and Compliance

Gloves are not a substitute for hand hygiene; they complement it. The CDC and OSHA both require practitioners to perform hand hygiene before donning and immediately after removing gloves. Micro-tears and improper doffing can transfer organisms to the hands even through an intact glove.

Face Masks and Respiratory Protection

Respiratory droplets are a primary vector for infection transmission in dental and medical settings. The CDC recommends surgical face masks for routine patient care and procedures that generate splatter or aerosols. Masks must fully cover the nose and mouth and should never be touched or adjusted during a procedure.

ASTM International classifies medical face masks into three levels based on bacterial filtration efficiency (BFE), fluid resistance, and breathability:

  • ASTM Level 1 — Light barrier protection for low-risk procedures with minimal splatter.
  • ASTM Level 2 — Moderate fluid resistance for procedures producing light to moderate spray and aerosol.
  • ASTM Level 3 — Maximum barrier protection (BFE ≥98%) for procedures with heavy aerosol and fluid exposure.

Recommended Face Masks

Eye and Face Protection

The CDC’s Standard Precautions require eye protection whenever splashing or spraying of blood, body fluids, or other infectious materials is reasonably anticipated — a standard that covers essentially every dental procedure and most clinical examinations. Protective eyewear must be cleaned and disinfected between patients or discarded if single-use.

Featured Product

Anti-Fog Infection Control Clear Protective Eyewear Wraparound design with close-fitting side protection, a soft nose pad, and adjustable temple pieces for a secure custom fit. Anti-fog lenses maintain clear sightlines throughout long procedures. A practical, comfortable staple for any clinical PPE kit.

Surface Disinfection: Killing What You Can’t See

Pathogens can survive on clinical surfaces, like chairs, light handles, counters, keyboards and tray tables, for hours–or even days–depending on the organism. The CDC’s guidelines on environmental infection control require that all clinical contact surfaces be either covered with disposable barriers or cleaned and disinfected between each patient contact.

A two-step approach is recommended: first clean visible debris, then apply a registered disinfectant with an appropriate contact time. The EPA maintains a list of registered disinfectants effective against specific organisms including MRSA, C. diff, norovirus, and SARS-CoV-2.

Surface Disinfection Products

  • CaviWipes1 — 1-Minute Kill Time Pre-saturated disinfectant wipes for hard, non-porous surfaces. Active ingredients include quaternary ammonium and alcohol (7.5% ethanol + 15% isopropanol) for broad-spectrum efficacy. Large durable wipes (6”×6.75”) reduce the number of passes needed per surface. Available in large and extra-large tub formats.
  • Surface Barriers & Covers Collection — Disposable plastic barriers for keyboards, light handles, chairs, and headrests provide an additional infection control layer and reduce disinfectant use on sensitive equipment.
  • Clorox Healthcare Line — Hospital-grade disinfectants, germicidal wipes, and antimicrobial soaps from one of the most trusted names in infection control.
  • Palmero Healthcare Products — Surface disinfectants and cleaning solutions designed for the unique demands of healthcare environments.

Instrument Sterilization

Reusable instruments must be sterilized between uses. The CDC’s Spaulding Classification system divides instruments into three categories based on infection risk:

  • Critical — Enter sterile tissue or the vascular system. Must be sterilized (autoclaved) before every use.
  • Semicritical — Contact mucous membranes or non-intact skin. Require at minimum high-level disinfection.
  • Noncritical — Contact only intact skin. Require intermediate- or low-level disinfection.

Proper sterilization workflow requires packaging instruments in sterilization pouches before autoclaving, using chemical indicator tape to confirm sterilization conditions were achieved, and storing sterilized instruments in a clean, dry environment until use.

Sterilization Supplies

Top Quality Sterilization Pouches — A bestselling product: self-seal design, built-in internal and external indicator strips, and triple-seal construction ensure instrument integrity from autoclave to chairside.

Sharps Safety and Waste Management

Needlestick and sharps injuries remain a significant occupational infection risk. OSHA’s Bloodborne Pathogens Standard requires the use of safety-engineered sharps devices where available, proper disposal in puncture-resistant sharps containers, and post-exposure protocols.

Never recap needles with two hands. Never bend, break, or otherwise manipulate contaminated sharps. Dispose of sharps containers when ¾ full — never overfill.

Building a Culture of Infection Prevention

The CDC emphasizes that infection control is not just a product checklist — it’s a culture. Training, accountability, and clear protocols are as important as the supplies themselves. Best practices include:

  • Annual infection control training for all staff, including administrative personnel
  • Posted hand hygiene reminders at all sinks and sanitizer stations
  • Regular audits of PPE compliance and surface disinfection practices
  • Clear protocols for managing exposure incidents
  • Staying current with CDC and OSHA guidelines, which are updated regularly

“Infection prevention is a team effort that involves the entire staff at every level.”

-St. Clair Hospital

Quick Reference: Key Product Links

This article is for educational purposes and does not constitute medical or regulatory advice. Consult applicable CDC, OSHA, and state guidelines for your specific setting.