Medical Microbiology

Course Description

Medical Microbiology covers the study of clinical parasitology, mycobacteriology, clinical virology, clinical mycology, and miscellaneous and emerging pathogens. UWF notes that permission is required and that MLS students are required to take the corresponding laboratory, MLS4462L, as a co-requisite.

Within the SCNS taxonomy, MLS is the Medical Laboratory Sciences prefix. The University of West Florida publishes this at 3 semester hours through the Department of Medical Laboratory Sciences, College of Health. Institutions carrying an integrated version offer it at approximately 3 Florida institutions.

⚠ This is the companion to MLS4460, and the division between them is by organism class rather than by depth. Diagnostic Microbiology I covers bacteria; this course covers everything else — parasites, mycobacteria, viruses, fungi, and emerging pathogens. The queue title "Medical Microbiology" is UWF's title too, so there is no drift here; what a reader should not assume is that this is a general survey. It is specifically the non-routine-bacteriology half of clinical microbiology.

These organism groups share a practical feature that shapes the whole course: they are slow, dangerous, or invisible by routine methods. Mycobacteria take weeks to grow and require containment; viruses are largely diagnosed molecularly or serologically because culture is impractical; fungi are identified by morphology that takes time to develop; parasites are found by a person looking down a microscope. Each has displaced or resisted automation differently, and that is why they are taught together.

⚠ Why this guide exists under this number

Some Florida institutions carry this material as a single integrated course with a C suffix. UWF instead runs a separate lecture and laboratory, each with its own SCNS number, and this guide documents the UWF course. ⚠ SCNS equivalency does not cross numbers, so transfer between the integrated and split forms is evaluated by hand — carry a syllabus in either direction. Note also that in this prefix a C suffix more often marks UWF's separate Professional Track than an integrated course, so the suffix alone is not a reliable guide to what a course contains.

⚠⚠ UWF runs TWO parallel MLS tracks — check which sequence you are in

• UWF publishes two distinct routes through the same subject matter. One is a split lecture-plus-laboratory sequence (for example MLS4550 with MLS4550L, MLS4625 with MLS4625L), whose prerequisites are general science courses such as PCB3063 and BCH3033. The other is a "Professional Track" of integrated 3- and 4-credit C-suffix courses (MLS4193C, MLS4221C, MLS4306C, MLS4335C, MLS4461C, MLS4463C, MLS4506C, MLS4552C, MLS4626C, MLS4631C), whose prerequisites are the MLS-internal MLS3194 and MLS3621.
• ⚠ The two tracks are not interchangeable and their prerequisites differ. A student entering through general science prerequisites lands in the split sequence; one already inside the MLS programme lands in the Professional Track.
• ⚠⚠ This is not the usual C-suffix meaning. Elsewhere in Florida, a C suffix marks an integrated lecture-plus-laboratory version of the same course. At UWF in this prefix it marks a different programme track, with different entry requirements — so reading the suffix by the statewide convention will mislead.
• Confirm with the department which sequence your programme requires before enrolling in either.

⚠ The contact-hour figure is derived — the University of West Florida publishes none

UWF's catalog publishes a credit value in semester hours, the college and department, prerequisites, co-requisites, fee notices, and a description. It does not publish contact hours, a lecture and laboratory split, or terms of offering for any course. Every contact-hour value in a UWF guide in this repository is therefore derived. The figure here applies the standard lecture convention of 15 contact hours per credit, giving 45 hours for a 3-semester-hour course. Confirm the meeting schedule with the department.

Learning Outcomes

Required Outcomes

• Describe the classification of medically significant parasites.
• Describe intestinal protozoa and their life cycles, diagnosis, and clinical effects.
• Describe blood and tissue protozoa including malaria and their diagnosis.
• Describe nematodes, cestodes, and trematodes of clinical significance.
• Describe specimen collection and concentration methods for parasitology.
• Describe mycobacterial structure, physiology, and staining characteristics.
• Describe tuberculosis, its diagnosis, and its epidemiology.
• Describe non-tuberculous mycobacteria and their significance.
• Describe mycobacterial culture, identification, and susceptibility methods.
• Describe virus structure, classification, and replication.
• Describe clinically significant viruses by system and syndrome.
• Describe viral diagnostic methods including molecular, serologic, and antigen detection.
• Describe viral load monitoring and antiviral resistance testing.
• Describe fungal structure, classification, and reproduction.
• Describe yeasts of clinical significance and their identification.
• Describe dimorphic and filamentous fungi and the diseases they cause.
• Describe fungal specimen handling, culture, and identification methods.
• Describe antifungal agents and susceptibility testing.
• Describe miscellaneous and emerging pathogens.
• Describe biosafety requirements specific to these organism groups.
• Interpret results from these disciplines in clinical context.

Optional Outcomes

• Describe opportunistic infection in immunocompromised patients.
• Describe travel and tropical medicine considerations.
• Describe prion disease and its laboratory handling.
• Describe outbreak response and public health laboratory referral.
• Describe molecular methods applied across these organism groups.
• Describe vector-borne disease relevant to Florida.

Major Topics

Required Topics

• Parasite classification
• Intestinal protozoa
• Blood and tissue protozoa; malaria
• Nematodes, cestodes, trematodes
• Parasitology specimen methods
• Mycobacterial structure and staining
• Tuberculosis diagnosis and epidemiology
• Non-tuberculous mycobacteria
• Mycobacterial culture and susceptibility
• Virus structure and classification
• Clinically significant viruses
• Viral diagnostic methods
• Viral load and resistance testing
• Fungal structure and classification
• Clinically significant yeasts
• Dimorphic and filamentous fungi
• Fungal culture and identification
• Antifungal agents and susceptibility
• Miscellaneous and emerging pathogens
• Biosafety for these organism groups

Optional Topics

• Opportunistic infection in immunocompromise
• Travel and tropical medicine
• Prion disease handling
• Outbreak response and public health referral
• Molecular methods across organism groups
• Florida vector-borne disease

Resources & Tools

• Mahon and Lehman or Tille, Bailey and Scott's — both carry these disciplines.
• CDC DPDx (cdc.gov/dpdx) — free; the parasitology identification resource, with an image library and diagnostic guidance. It is the reference laboratories actually use.
• CDC tuberculosis resources — free; diagnosis, laboratory methods, and current epidemiology.
• CDC fungal disease resources — free; includes geographic distribution of endemic mycoses.
• Florida Department of Health reportable disease list and surveillance data — free; the local picture, including vector-borne disease.
• A parasitology and mycology atlas — identification here is overwhelmingly visual.
• CDC BMBL — free; biosafety levels, and directly relevant given the organisms in this course.
• ASCP Board of Certification content guideline — free.

Career Pathways

• Medical and clinical laboratory technologists and technicians — SOC 29-2011 and 29-2012; a persistent national shortage occupation, and hospital laboratories recruit continuously.
• Florida hospital systems — AdventHealth, Orlando Health, BayCare, Baptist Health, Tampa General, Jackson Health, and in UWF's own region Baptist Health Care and Ascension Sacred Heart in Pensacola.
• Reference and commercial laboratories — Quest Diagnostics and Labcorp both operate substantial Florida facilities.
• Blood centres and transfusion services — OneBlood is the major Florida blood supplier.
• Public health laboratories — the Florida Department of Health Bureau of Public Health Laboratories, which handles outbreak and reportable-disease testing.
• Molecular and genetic testing laboratories — the fastest-growing segment of the field.
• Laboratory management and supervision — SOC 11-9111 adjacent; a normal progression after several years at the bench.
• In vitro diagnostics industry — applications, technical support, and field service roles with instrument and reagent manufacturers, which typically pay more than bench work.
• Pathway to further study — medical school, physician assistant, pathology assistant, and graduate work in molecular biology or public health.
• ⚠ An honest note on the work itself. Clinical laboratory scientists are largely invisible to patients and produce the majority of the objective data on which diagnoses are made. The work is shift-based, includes nights and weekends in hospital settings, and carries real consequence — a transfusion or a critical result acted on incorrectly harms someone.

Special Information

⚠⚠ Florida licenses clinical laboratory personnel — and most states do not

• Florida is one of a small number of states that require a state licence to work as clinical laboratory personnel. Licensure is administered by the Florida Department of Health, and a national certification alone is not sufficient to practise in Florida.
• ⚠ This is the single most important regulatory fact for a Florida MLS student, and it cuts both ways: graduates of a Florida programme are prepared for it, while someone certified in a non-licensure state who moves to Florida must obtain the state licence separately.
• The usual national credential is the ASCP Board of Certification MLS credential, earned by examination after completing a programme accredited by NAACLS.
• ⚠⚠ Programmatic accreditation matters more here than institutional accreditation. Eligibility to sit the certification examination generally depends on graduating from a NAACLS-accredited programme — so confirm a programme's current accreditation status directly with NAACLS before enrolling, and be careful about assuming that transferred coursework preserves eligibility.
• Laboratory testing itself is federally regulated under CLIA, which sets personnel requirements by test complexity — the framework within which both licensure and certification sit.

⚠⚠ "Permission is required" — this course is gated on programme admission

• UWF marks this course Permission is required, and the same phrase appears on nearly every course in the MLS prefix. Meeting the listed prerequisites does not make a student eligible to enrol.
• ⚠ In practice this means admission to the Medical Laboratory Sciences programme. Clinical laboratory science programmes are cohort-based and capacity-limited, because laboratory seats and clinical placements are finite — so admission is competitive and separate from admission to the university.
• ⚠⚠ Apply to the programme early and treat its deadlines as the real constraint. A student who completes every science prerequisite and misses the cohort application waits a full year, because a cohort sequence normally starts once a year — and UWF publishes no terms of offering, so this cannot be confirmed from the catalog.
• Contact the Department of Medical Laboratory Sciences, College of Health, before planning a schedule around these courses.

⚠⚠ MLS4462 and MLS4462L are taken together

• UWF states in the description that "MLS students are required to take the corresponding laboratory, MLS4462L, as a co-requisite." This is stated in prose rather than in a co-requisite field — and the corresponding laboratory carries the formal field in return.
• ⚠⚠ Note the conditional: the requirement is stated for MLS students. A student from another programme taking this course as an elective may not be bound by it — which also means they would get the didactic content without the bench work. Confirm with the department which applies to you.
• ⚠ UWF expresses co-requisites three different ways across its catalog — an explicit Co-requisite: field, an asterisk on a prerequisite meaning may be taken prior to or during the same term, and plain prose in the description. A reader who learns only one notation will misread the others.
• Budget for the pair. The lecture and laboratory are separate enrolments with separate credit, and the laboratory carries its own fees.

⚠⚠ These organism groups carry the highest biosafety requirements in the laboratory

• Mycobacterium tuberculosis is handled at biosafety level 3 where culture manipulation is performed — a higher containment level than routine bacteriology, with engineering controls and respiratory protection.
• ⚠⚠ Tuberculosis is transmitted by aerosol, and laboratory-acquired tuberculosis is documented. Any procedure that could generate an aerosol from a positive culture is done in containment.
• ⚠ Mould cultures are opened only in a biological safety cabinet. Dimorphic fungi produce infectious spores in their mould phase, and sniffing or casually opening a mould plate has caused serious laboratory-acquired infection.
• Many of these organisms grow slowly, so a culture may be well established before anyone realises what it is — which is exactly why unknown slow-growing cultures are treated cautiously by default.
• Prion-suspected material has its own handling and decontamination requirements, because standard autoclaving is not sufficient.

⚠⚠ Florida sees pathogens most of the United States does not

• Climate, travel volume, and an international population make Florida's infectious disease picture unusual. A parasitology or mycology finding that would be a once-in-a-career event in a northern laboratory is a realistic possibility here.
• ⚠⚠ Malaria and dengue are imported routinely in returning travellers, and locally acquired cases of both have been recorded in Florida in recent years. Malaria on a blood film is a critical result and is time-critical — falciparum malaria can kill within a day.
• Endemic and regionally significant fungi matter here, and Coccidioides in particular is a documented cause of laboratory-acquired infection from culture manipulation — which is why suspicious mould cultures are handled in a biological safety cabinet and escalated rather than opened on the bench.
• Free-living amoebae are a Florida concern in warm fresh water, and although infection is rare it is nearly always fatal, so recognition matters disproportionately.
• ⚠ Reportable disease obligations apply. The Florida Department of Health publishes what must be reported and how quickly — some organisms in this course require notification within hours.
• Ask about travel history. The laboratory frequently cannot interpret a finding without it, and it is legitimate to request it.

⚠ Diagnosis in these disciplines works differently from bacteriology

• Culture is impractical for most viruses, so diagnosis is molecular, serologic, or antigen-based — and each answers a different question about timing and activity.
• ⚠⚠ Detection is not disease. A sensitive molecular assay finds nucleic acid from colonising, latent, or resolved infection — and reporting that as active infection changes management incorrectly.
• Parasitology depends on specimen handling and on the examiner. Shedding is intermittent, so multiple specimens over several days are commonly required, and concentration methods determine what is found.
• ⚠ Mycobacterial results take weeks, and the laboratory must report preliminary findings promptly — a positive acid-fast smear is actionable long before the culture identifies the organism.
• Fungal identification frequently rests on morphology that takes time to develop, and rushing it produces wrong answers.

⚠⚠ Bloodborne pathogen exposure is a real occupational risk, and the controls are not optional

• Clinical laboratory work involves human blood and body fluids, which are treated as infectious regardless of the patient's known status. That is Standard Precautions, and it is the organising rule of laboratory practice.
• The OSHA Bloodborne Pathogens Standard (29 CFR 1910.1030) is law, not guidance — it requires an exposure control plan, personal protective equipment, engineering controls, and hepatitis B vaccination offered at no cost.
• ⚠⚠ Needlestick and sharps injuries are the highest-risk exposure route. Never recap needles by hand, dispose of sharps at the point of use, and report every exposure immediately — post-exposure prophylaxis is time-critical, and the instinct to say nothing is the dangerous one.
• Aerosol generation is the underestimated route. Uncapping tubes, centrifuge accidents, and pipetting all generate aerosols; a centrifuge that is unbalanced or opened too early is a genuine hazard.
• ⚠ Programmes normally require immunisation records, a health screening, and sometimes a background check and drug screen before clinical placement. Start these early — they take longer than students expect and can delay a placement.
• Chemical hazards sit alongside the biological ones, and both belong in the same safety habit.

⚠⚠ Quality control is the discipline, not a chore attached to it

• A result is worthless without evidence that the method was performing when it was produced. That evidence is quality control, and in clinical laboratory science it is the professional skill rather than an administrative overhead.
• ⚠ Learn Levey-Jennings charts and the Westgard rules properly. They are how a laboratory distinguishes normal analytical variation from a real shift or trend, and they are examined on the ASCP board certification.
• ⚠⚠ The consequence of releasing a result from an out-of-control run is a patient managed on a wrong number. Delta checks, critical value protocols, and result verification exist because that happens and because it harms people.
• Pre-analytical error dominates. Most laboratory errors occur before the specimen reaches the analyser — wrong patient, wrong tube, haemolysis, insufficient volume, wrong order of draw — and the laboratory is frequently blamed for errors that happened at collection.
• Accuracy, precision, sensitivity, specificity and predictive value are used precisely here, not loosely. Predictive value depends on disease prevalence, which is why the same test performs differently in different populations.

Course format and position in the curriculum

• Lecture with examinations, taken with MLS4462L for MLS majors.
• ⚠ Four disciplines in one term. Parasitology, mycobacteriology, virology and mycology each have their own vocabulary and methods, and the course moves quickly between them.
• Leads to MLS4821L, the microbiology hospital rotation, and connects to MLS4824L's specialty methods.
• UWF publishes no contact hours, lecture and laboratory split, or terms of offering for any course, and no fee notice appears on this entry — though MLS4462L carries a material and supply fee. Confirm the offering pattern with the department.

How Florida course levels affect transfer

The first digit of an SCNS number denotes the year of offering, not transferability. Courses at the 1000 and 2000 levels transfer transparently between Florida public institutions, and 3000 to 4000 is unproblematic since both are upper division. The boundary that actually matters is 2000 to 3000, where lower-division credit generally cannot satisfy an upper-division requirement. ⚠ For clinical laboratory sciences the more important constraint is programmatic rather than numeric: courses are gated on admission to a cohort, sequenced tightly, and tied to NAACLS accreditation and to eligibility for certification — so transferring individual courses between programmes is frequently not possible even where the credit itself articulates.

MLS4462 is 3 semester hours at the University of West Florida, taken with the 1-semester-hour MLS4462L by MLS majors.