# CIC Prep > CIC Prep is a mobile study app for the CBIC Certification in Infection Control (CIC®) exam: 650+ exam-style practice questions, timed mock exams, flashcards and an AI tutor that explains every answer. CIC Prep is an independent mobile app (iOS and Android) for candidates preparing for the CIC® certification exam administered by the Certification Board of Infection Control and Epidemiology (CBIC). It is not affiliated with CBIC. CIC Prep is part of Exam321.com (https://exam321.com), a family of mobile apps providing a wide variety of exam preps. ## Key facts - Practice questions: 654, grouped into six practice topics, each with a written explanation - Mock exams: full-length, 150 questions, timed - Flashcards: 41 key infection-prevention terms - AI tutor: explains why each answer is right or wrong, with follow-up questions - Also: daily quiz and streaks, past-errors review quiz, performance by domain, exam-date countdown - Price: free to download; first quizzes free; CIC Prep Pro in-app purchase unlocks unlimited access - Pass Guarantee Program: Premium subscribers who used the app for at least 14 days before the exam, did not pass, and email within 14 days of receiving their result get 3 more months of Premium free; repeatable until they pass (terms: https://cbiccicprep.com/pass-guarantee; full policy: https://www.znosnie.com/pass-guarantee-policy) - iOS: https://apps.apple.com/us/app/cbic-cic-exam-2026-prep/id6762517686 - Android: https://play.google.com/store/apps/details?id=com.flown.QuizCIC - Contact: contact@znosnie.com ## Question bank by practice topic The app groups its questions into six practice topics (questions on cleaning, disinfection and sterilization sit under prevention and control): - Identification of Infectious Disease Processes: 108 questions — Microbiology, healthcare-associated infections, the chain of infection and diagnostic testing. - Surveillance and Epidemiologic Investigation: 106 questions — Surveillance systems, outbreak investigation, rates, ratios and basic statistics. - Preventing and Controlling the Transmission of Infectious Agents: 101 questions — Standard and transmission-based precautions, hand hygiene, PPE, cleaning and sterilization. - Employee and Occupational Health: 106 questions — Post-exposure management, immunization programs and work restrictions. - Management and Communication: 106 questions — Program management, reporting, quality improvement and regulatory compliance. - Education and Research: 107 questions — Adult learning principles, evidence-based practice and study design. ## About the CIC exam - Credential: CIC®, the board certification in infection prevention and control - Awarded by: Certification Board of Infection Control and Epidemiology (CBIC) - Format: 150 multiple-choice questions, 135 of them scored - Time allowed: 3 hours - Delivery: Computer-based, at a testing center or via live remote proctoring - Valid for: 5 years, then recertification - Official source: https://www.cbic.org ### Official CIC content outline (CBIC, current): scored items per domain - Identification of Infectious Disease Processes: 22 - Surveillance and Epidemiologic Investigation: 22 - Preventing/Controlling the Transmission of Infectious Agents: 22 - Employee/Occupational Health: 11 - Management and Communication: 14 - Education and Research: 12 - Environment of Care: 14 - Cleaning, Disinfection, Sterilization of Medical Devices and Equipment: 18 - Total scored items: 135 of 150 (15 unscored pretest items) - A revised outline applies to applications from November 24, 2026: https://www.cbic.org/OffNav/Content-Outline1.htm ## Pages - [Home](https://cbiccicprep.com/): app overview, exam overview, question bank by practice topic, features, FAQ - [Blog](https://cbiccicprep.com/blog): CIC exam study notes and plans - [Tools](https://cbiccicprep.com/tools): free infection prevention tools — isolation precautions lookup, epidemiology calculators, NHSN rate and SIR calculators, bleach dilution, epi curve generator, CIC practice test - [Contact](https://cbiccicprep.com/contact): support, question corrections, partnerships - [Pass Guarantee Program](https://cbiccicprep.com/pass-guarantee): terms for the 3-month Premium extension after a failed exam - [Infection Control Certification: CIC vs a-IPC vs LTC-CIP (2026)](https://cbiccicprep.com/blog/infection-control-certification): The three board certifications in infection control compared: who each is for, eligibility, exam format, fees, pass rates and which one to take first. ## Free tools - [Spaulding classification](https://cbiccicprep.com/tools/spaulding-classification): Spaulding classification explained with an interactive picker: critical, semicritical and noncritical items, the reprocessing each needs, and CDC examples. - [TB skin test interpreter](https://cbiccicprep.com/tools/tb-skin-test-interpretation): Interpret a tuberculin skin test (TST/PPD) result: enter the induration in mm and the person’s risk group to apply CDC’s 5, 10 and 15 mm cutoffs. - [CLABSI & CAUTI rate calculator](https://cbiccicprep.com/tools/clabsi-cauti-rate-calculator): Calculate CLABSI, CAUTI and other device-associated infection rates per 1,000 device days, plus the device utilization ratio, using NHSN formulas. - [SIR calculator](https://cbiccicprep.com/tools/sir-calculator): Calculate a standardized infection ratio (SIR) from observed and predicted infections, with a mid-P exact p-value and 95% confidence interval. - [Bleach dilution calculator](https://cbiccicprep.com/tools/bleach-dilution-calculator): Work out how much bleach and water you need for a target ppm of available chlorine, with presets for C. diff (5,000 ppm) and blood spills from CDC. - [Epi curve generator](https://cbiccicprep.com/tools/epi-curve-generator): Make an epidemic curve in seconds: paste case onset dates, choose days or weeks, and download the chart as SVG or PNG. Runs in your browser; no data uploaded. - [Odds ratio calculator](https://cbiccicprep.com/tools/odds-ratio-calculator): Calculate an odds ratio and its 95% confidence interval from a 2×2 table, with the formula, a worked outbreak example and how to interpret the result. - [Relative risk calculator](https://cbiccicprep.com/tools/relative-risk-calculator): Calculate relative risk (risk ratio) with a 95% confidence interval, attack rates, risk difference and attributable fraction from a cohort 2×2 table. - [Sensitivity, specificity & PPV calculator](https://cbiccicprep.com/tools/sensitivity-specificity-calculator): Calculate sensitivity, specificity, positive and negative predictive value and likelihood ratios from a 2×2 table — or PPV from prevalence. - [Incidence rate calculator](https://cbiccicprep.com/tools/incidence-rate-calculator): Calculate incidence rate (incidence density) per person-time or patient days, and cumulative incidence (risk), with formulas and CDC examples. - [Prevalence calculator](https://cbiccicprep.com/tools/prevalence-calculator): Calculate point or period prevalence from the number of existing cases and the population, as a percentage or per 1,000 — with the formula and an example. - [Attack rate calculator](https://cbiccicprep.com/tools/attack-rate-calculator): Calculate the attack rate and secondary attack rate for an outbreak, with the CDC formulas, worked examples and how to compare food-specific attack rates. - [Free CIC practice test](https://cbiccicprep.com/tools/cic-practice-test): Take a free 15-question CIC® practice test covering all exam domains. Instant scoring and an explanation for every answer. No sign-up needed. - [Isolation precautions lookup](https://cbiccicprep.com/tools/isolation-precautions): searchable version of CDC's Appendix A (type and duration of isolation precautions for 248 infections and conditions). Source: https://www.cdc.gov/infection-control/hcp/isolation-precautions/appendix-a-type-duration.html - [Standard Precautions: What They Include (CDC)](https://cbiccicprep.com/tools/isolation-precautions/standard-precautions): Standard Precautions explained: the CDC practices used for every patient, every time — hand hygiene, PPE by exposure, cough etiquette, safe injections and more. - [Contact Precautions: PPE, Room & Which Diseases (CDC)](https://cbiccicprep.com/tools/isolation-precautions/contact-precautions): Contact Precautions explained: gown and gloves on entry, room placement, transport and equipment rules, and every condition CDC lists for Contact Precautions. - [Droplet Precautions: Mask, Room & Which Diseases (CDC)](https://cbiccicprep.com/tools/isolation-precautions/droplet-precautions): Droplet Precautions explained: facemask on entry, room placement and transport, plus every condition CDC lists for them, from pertussis to mumps. - [Airborne Precautions: AIIR, N95 & Which Diseases (CDC)](https://cbiccicprep.com/tools/isolation-precautions/airborne-precautions): Airborne Precautions explained: negative-pressure AIIR, N95 respirators, transport, post-exposure rules and the diseases that need them, like TB and measles. - [Enteric Precautions (Contact Plus): What They Mean](https://cbiccicprep.com/tools/isolation-precautions/enteric-precautions): Enteric precautions or contact plus: what the sign means, how it maps to CDC Contact Precautions, and the extra steps for C. diff and norovirus. - [C. diff Precautions: Contact, Soap & Water, Bleach (CDC)](https://cbiccicprep.com/tools/isolation-precautions/c-diff-precautions): C. diff precautions: Contact + Standard for the duration of illness, soap-and-water hand hygiene, sporicidal cleaning and when to stop, per CDC and IDSA/SHEA. - [MRSA Precautions: When Contact Precautions Apply (CDC)](https://cbiccicprep.com/tools/isolation-precautions/mrsa-precautions): MRSA isolation precautions: when CDC recommends Contact Precautions, PPE and room placement in practice, and how nursing homes use Enhanced Barrier Precautions. - [VRE Precautions: Contact Precautions Explained (CDC)](https://cbiccicprep.com/tools/isolation-precautions/vre-precautions): VRE isolation precautions: CDC’s Contact + Standard recommendation for MDROs, PPE and room placement, colonization vs infection, and nursing home practice. - [ESBL Precautions: Contact Precautions Explained (CDC)](https://cbiccicprep.com/tools/isolation-precautions/esbl-precautions): ESBL isolation precautions: why CDC lists ESBL producers as multidrug-resistant organisms, when Contact Precautions apply, PPE, rooms and nursing home practice. - [TB Precautions: Airborne Isolation & When to Stop (CDC)](https://cbiccicprep.com/tools/isolation-precautions/tb-precautions): Tuberculosis isolation precautions: Airborne Precautions in an AIIR with N95 respirators, and CDC’s criteria for stopping them in suspected and confirmed TB. - [Pertussis Precautions: Droplet Isolation for 5 Days (CDC)](https://cbiccicprep.com/tools/isolation-precautions/pertussis-precautions): Pertussis (whooping cough) isolation precautions: Droplet + Standard until 5 days of effective antibiotics, room placement, masks and post-exposure prophylaxis. - [Influenza Precautions in Hospitals: Droplet for 7 Days (CDC)](https://cbiccicprep.com/tools/isolation-precautions/influenza-precautions): Flu isolation precautions in healthcare: Droplet Precautions for 7 days or 24 hours after symptoms resolve, facemasks, rooms and aerosol-generating procedures. - [Measles Precautions: Airborne Isolation & N95 for All (CDC)](https://cbiccicprep.com/tools/isolation-precautions/measles-precautions): Measles precautions: Airborne + Standard in an AIIR until 4 days after rash onset, N95 for all staff regardless of immunity, and post-exposure vaccine timing. - [RSV Precautions: Contact Isolation Explained (CDC)](https://cbiccicprep.com/tools/isolation-precautions/rsv-precautions): RSV isolation precautions: CDC’s Contact + Standard recommendation for infants, young children and immunocompromised adults, how long, and when to add a mask. - [Norovirus Precautions: Contact for 48 Hours (CDC)](https://cbiccicprep.com/tools/isolation-precautions/norovirus-precautions): Norovirus precautions: Contact + Standard until 48 hours after symptoms resolve, soap-and-water hand hygiene in outbreaks, cleaning, masks and cohorting. - [Chickenpox Precautions: Airborne + Contact Until Crusted (CDC)](https://cbiccicprep.com/tools/isolation-precautions/chickenpox-precautions): Chickenpox (varicella) isolation precautions: Airborne + Contact until lesions are dry and crusted, staffing rules, post-exposure vaccine and VariZIG timing. - [Shingles Precautions: Localized vs Disseminated (CDC)](https://cbiccicprep.com/tools/isolation-precautions/shingles-precautions): Shingles (herpes zoster) isolation precautions: Standard for covered localized zoster, Airborne + Contact for disseminated zoster or immunocompromised patients. - [Hepatitis A Precautions: Standard vs Contact (CDC)](https://cbiccicprep.com/tools/isolation-precautions/hepatitis-a-precautions): Hepatitis A isolation precautions: Standard Precautions for most patients, Contact Precautions for diapered or incontinent patients, and how long by age group. - [Scabies Precautions: Contact Until 24 Hours of Treatment (CDC)](https://cbiccicprep.com/tools/isolation-precautions/scabies-precautions): Scabies isolation precautions: Contact + Standard until 24 hours after effective treatment starts, PPE, room placement and the same rule for head lice. - [Candida auris Precautions: Contact, EBP & List P (CDC)](https://cbiccicprep.com/tools/isolation-precautions/candida-auris-precautions): Candida auris precautions: Contact Precautions in hospitals, Contact or Enhanced Barrier Precautions in nursing homes, EPA List P disinfectants, hand hygiene. - [Mumps Precautions: Droplet for 5 Days After Swelling (CDC)](https://cbiccicprep.com/tools/isolation-precautions/mumps-precautions): Mumps isolation precautions: Droplet + Standard until 5 days after swelling starts, why CDC changed it from 9 days, and staffing for susceptible staff. - [Meningitis Precautions: Droplet for 24 Hours (CDC)](https://cbiccicprep.com/tools/isolation-precautions/meningococcal-precautions): Meningococcal meningitis precautions: Droplet + Standard until 24 hours of effective therapy, prophylaxis for contacts, and when Standard is enough. ## Languages The home and contact pages are available in 32 languages (the blog is English-only): - [English](https://cbiccicprep.com/) (en) - [Español](https://cbiccicprep.com/es) (es) - [Deutsch](https://cbiccicprep.com/de) (de) - [Français](https://cbiccicprep.com/fr) (fr) - [Português (Brasil)](https://cbiccicprep.com/pt-br) (pt-BR) - [日本語](https://cbiccicprep.com/ja) (ja) - [简体中文](https://cbiccicprep.com/zh) (zh-Hans) - [العربية](https://cbiccicprep.com/ar) (ar) - 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[Ελληνικά](https://cbiccicprep.com/el) (el) - [Română](https://cbiccicprep.com/ro) (ro) ## FAQ ### What is the CBIC CIC exam? The CIC® exam is the certification exam for infection preventionists, administered by the Certification Board of Infection Control and Epidemiology (CBIC). Passing it earns the CIC credential, which shows standardized knowledge of infection prevention and control. ### How many questions are on the CIC exam? The CIC exam has 150 multiple-choice questions, of which 135 are scored and 15 are unscored pretest items. Candidates have 3 hours to complete it. Always confirm current details in the CBIC candidate handbook. ### What is CIC Prep? CIC Prep is a mobile app for iOS and Android built only for the CIC exam. It includes 654 exam-style practice questions organized by content domain, full-length 150-question timed mock exams, 41 key-term flashcards, a daily quiz and an AI tutor that explains the reasoning behind every answer. ### How long should I study for the CIC exam? Most candidates plan for 6 to 12 weeks of steady preparation. Short daily sessions work better than cramming: CIC Prep is designed around short daily quizzes, a past-errors review, key-term flashcards and a countdown to your exam date. ### Is CIC Prep free? CIC Prep is free to download on the App Store and Google Play, and your first practice quizzes are free. CIC Prep Pro, an in-app purchase, unlocks unlimited quizzes, the full question bank and extended AI tutor access. ### Is CIC Prep affiliated with CBIC? No. CIC Prep is an independent study tool and is not affiliated with, sponsored or endorsed by CBIC. CIC® is a registered trademark of the Certification Board of Infection Control and Epidemiology, Inc.