Global Disease Biology Major Advising

Requirements for a Bachelor of Science (B.S.) in Global Disease Biology

The GDB degree requirement includes 64-66 units of Preparatory Subject Matter, 44-47 units of Depth Subject Matter, and at least 25 units of Restricted Electives, for a minimum total of 133-138 units as shown on our Major Requirements sheet here.

Students transferring from a community college, state college, or another university are encouraged to either visit or contact our GDB academic staff ( with questions about if and how their UC-transferable units might waive one or more GDB course requirements.

A degree in GDB covers the majority of the standard prerequisites for many health profession schools (e.g., medical school, veterinary medicine, physician assistants, nursing, dental school, physical therapy, clinical lab sciences), but additional requirements may exist. We recommend that students wanting to follow these career paths plan accordingly, check with individual schools, and consult campus resources such as Health Professions Advising (HPA).

Students may also choose to complete a minor in GDB. Learn more about GDB minor requirements here.

Preparatory Subject Matter (64-66 units)





GDB 90


Introduction to Global Disease Biology


SAS 13


Disease and Society




Introduction to Biology




General Chemistry


ONE of the following course combinations:






Organic Chemistry: Brief Course



CHE 118A/B 

Organic Chemistry for Health and Life Sciences




General Physics




Calculus for Biology and Medicine


ONE of the following courses:





STA 13

Elementary Statistics



STA 100 

Applied Statistics for Biological Sciences



PLS 120 

Applied Statistics in Agricultural Science


Depth Subject Matter (44-47 units)





BIS 101


Genes and Gene Expression


BIS 105 or BIS 102 + BIS 103


Biomolecules and Metabolism


EVE 100


Introduction to Evolution


MIC 102


Introductory Microbiology Lecture


MIC 103L


Introductory Microbiology Lab


PMI 129Y


One Health: Human, Animal & Environment Interfaces


VME 158


Infectious Disease in Ecology and Conservation


GDB 101




GDB 102


Disease Intervention and Policy


TWO of the following pathogen/disease courses:




  PLP 100 Biology of Plant Pathogens (3)


PLP 120 

Introduction to Plant Pathology



PLP 130 

Fungal Biology & Disease



PMI 127  

Medical Bacteria and Fungi



PMI 128 

Biology of Animal Viruses (or MIC 162 General Virology)



ENT 153 

Medical Entomology



ENT 156 

Biology of Parasitism (ENT 156L is optional)



GDB 103 

The Microbiome of People, Animals and Plants


  MMI 177 Human Virology (3)

GDB 187


Global Disease Biology Seminar


GDB 189


Global Disease Biology Senior Research


GDB 189D


Global Disease Biology Research Discussion


Restricted Electives (Minimum 25 Units)

These are typically upper division courses that are identified by the student with the help of their faculty research mentor or practicum mentor and with approval from GDB Advising. Restricted Electives offer the student an opportunity to specialize and to personalize their degree. The 2021-2022 Guide to GDB Restricted Electives is available here.

The GDB Practicum Project

The major also includes a senior research project (GDB 189) that involves 1 or 2 quarters of independent study or research usually under the direct guidance of a faculty mentor. Projects may be off campus with a non-UC Davis mentor, but students must also have an on campus faculty member as a co-mentor. Projects may be lab- or field-based research, analysis of data sets, or writing of a review paper exploring a critical issue in global disease or health. Projects typically are completed on campus, but may be off-campus with a non-UC Davis mentor, in which case students must also have an on campus faculty member as a co-mentor. Students enroll in GDB 187 in their Junior year to identify and begin their research project. We will soon be posting first-hand experiences from GDB students who already have completed their senior research project. The 2021-2022 Guide to the GDB Practicum is available here.

Past Practicum Project Titles:

Past Practicum Project Titles:

Agricultural and Environmental Sciences
Safety of drinking water in the Dunde community: an assessment of water quality and environmental hazards
Movement of Candidatus Liberibacter solanacearum in tomato plant tissue
Survey of four Vitiviruses in grapevines in the National Clonal Germplasm Repository and the Foundation Plant Services introduction pipeline
Targeting NmrA in tomato using CRISPR/Cas9-mediated genome editing
Inoculation and persistence of Salmonella enterica serovars in lettuce cultivar Salinas
The effect of whole orchard recyclingwood chips on disease caused by Phytophthora niederhauserii in an almond rootstock
Effects of microbial inoculants and mustard seed meal on the efficacy of anaerobic soil disinfestation for management of Fusarium wilt of strawberry, caused by Fusarium oxysporum f. sp. fragariae
Hopscotch transposable element affects phenotypes in maize
Investigation of Moringa olefiera and Luffa cylindrica as biosorbents for the treatment of drinking water
The effects of 2-benzoxazolinone tolerance on the colonization of corn and virulence in pines
Understanding Populus tree vessel formation in response to drought
Animal & Veterinary Sciences
The role of yolk in sperm positioning in C. elegans
Utilizing the California Waterfowl Tracker to monitor waterfowl density in California’s Central Valley and the risk factor they present to commercial poultry farms
Characterizing SV2A colocalization in rat primary neuronal cell culture
Characterizing the microbial load and composition of hummingbird feeders 
Detection of Bartonella DNA in stray dogs from the Philippines
Biological Sciences
Changing the world, one membrane at the time
Impact of changing the living conditions of Red Flour beetle, Tribolium confusum, at different points during development
A study of the population genetics of raccoon roundworm (Baylisascaris procyonis) across North America using a mitochondrial DNA marker, cox1
Investigating fire relationships/interactions with pathogens
Advancing MDA assay for Anopheles gambiae sensu lato mosquitoes
Assessment of neuroinflammation and neurogenesis in a neonatal model of enteropathogenic E. coli enteric bacterial infection
Sequencing Baylisascaris procyonis mtDNA and investigating phylogeographic relationships among North American populations
Chemistry & Biochemistry
Clinical significance of ionized magnesium in critically ill burn patients
Biochemical and clinical aspects of thiamine
Creating Smad-4 expressing C2C12 cells to study bone morphogenetic protein signaling dynamics
The supplementation of dietary selenium to mitigate diquat-induced CNS oxidative stress
Phylogenetic study among Bursaphelenchus species in New Mexico and California using cytochrome C oxidase 1 gene
Sex dependent molecular mechanisms of lipotoxic injury in brain microvasculature
Medical & Clinical Research
Are psychotherapeutic drugs overprescribed for treating mental illness?
A review of the literature regarding methodology to combat antibiotic resistance
Mobile sexual health clinics in rural areas of California
Compliant usage of high effiency air cleaners for children with asthma
Comparing epidemiological methods and outcomes of Coronavirida sp. SARS-CoV and MERS-CoV
The influence of menarche on quality of life
Cultural barriers to breast cancer screening in first-generation Korean-American women: a literature review
A sociopolitical analysis of the prevalence and risk factors of diarrheal infections in Nicaragua
Alzheimer's disease and its impact on caregiving
Law enforcement officers and cardiovascular risk
Investigating the effect of estrogen on the inflammatory profiles of lymphocytes
Understanding socio-political and economic influences on risk factors for Type 2 Diabetes Mellitus in Bangladesh
Usage of immunotherapy to treat common malignancies in cancer patients
What could be the impact of cultural competency on maternal health in Nigeria?
Systematic barriers to accessing mental health services for Latino communities
Testing the efficacy of a zika vaccine in a pregnant rhesus macaque model of Congenital Zika Syndrome
The length of human pregnancy: a study of the physiologic length of human gestation among women planning community birth
Optimization of decompressive craniectomy in traumatic brain injury
Studying street food vendors as a solution to food deserts
NOD-like receptors: novel regulators of the microbiota-gut-brain axis and neurogenesis
Herpes Simplex Virus 2 antibody responses across species in regard to vaccine development
The challenges of the influenza vaccine
Domestic violence perspectives in Arab and Afghan women refugees: a literature review for the Ulysses Project at UC Davis School of Medicine
Comparing anterior cruciate ligament injury risk of youth athletes with the Landing Error Scoring System
The role of chickpea in human malnutrition
How racial and wealth inequalities shape HIV care outcomes in rural South Africa
Understanding incidence and prevalence of coinfection of Toxoplasma gondii in HIV/AIDS patients and access to healthcare in marginalized communities in the U.S.
Health impacts of incarceration on African-American and Latinx men
The effects of acitretin on the reactivation of latent HIV
Characterizing infectious bronchitis virus infection in primary tracheal cell culture
Afghan and Arab refugee medical doctors brain waste: barriers to professional reentry in CA state
Cost analysis of genetic testing in fetuses with congenital heart disease
Cancer immunology
Effectiveness of PartyWise intervention and SBIRT programs for adolescents in family planning clinics
Enhancing purification of systolic heart failure exosomes for clinical prognostic use
Disparities in neonatal health care delivery and access in developed and underdeveloped regions of Cameroon
Quantitative and qualitative analysis of human-specific duplicated genes and their effect on neurological development
HIV/STD prevention in youth in the San Francisco Bay Area, East Bay Region
Do doula services meet mother’s emotional needs during labor?
Social Sciences & Education
The role message framing plays in mitigating harmful behaviours through warning labels: a meta-analysis