First aid courses can help you learn how to recognize common emergencies, understand basic response principles, and communicate effectively with trained professionals. You can build skills in identifying signs of illness or injury, assessing situations safely, and applying general preparedness concepts. Many courses introduce frameworks, scenario-based learning, and tools that support building confidence in responding to unexpected events.

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), Git (Version Control System), GitHub, Software Versioning, Data Literacy, General Science and Research, Data Analysis, R Programming, Development Environment, Statistical Reporting, Software Installation
★ 4.6 (34K) · Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Preventative Care, Postpartum Care, Infant Care, Pediatrics, Public Health and Disease Prevention, Health Assessment, Endocrinology, Pharmacology, Clinical Monitoring, Cardiology, Diagnostic Tests, Laboratory Testing, Hematology, Communication Disorders, Infectious Diseases
★ 4.8 (633) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Wrangling, Exploratory Data Analysis, Database Design, Ggplot2, Data Presentation, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Interactive Data Visualization, Predictive Modeling, Statistical Analysis, Microsoft Excel, Analytical Skills, R (Software), Excel Formulas, Data Cleansing, Data Manipulation
★ 4.7 (32K) · Beginner · Professional Certificate · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Grammar, Writing, English Language, Literacy
★ 4.7 (20K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Open Web Application Security Project (OWASP), OpenShift, Containerization, Istio, Kubernetes, Node.JS, Software Architecture, Application Deployment, Restful API, Database Design, Cloud-Native Computing, Responsive Web Design, Git (Version Control System), Ajax, Grafana, Javascript, Azure DevOps, Software Development
★ 4.6 (9.3K) · Beginner · Professional Certificate · 3 - 6 Months

Pontificia Universidad CatĂ³lica de Chile
Skills you'll gain: Primary Care, Chronic Diseases, Care Management, Nursing Care, Health Systems, Public Health, Preventative Care, Epidemiology, Care Coordination, Patient-centered Care, Patient Education and Support, Health Policy, Family Support
★ 4.8 (1.2K) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Web Design and Development, Front-End Web Development, Responsive Web Design, Web Applications, Web Design, Ajax, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Web Development, Web Development Tools, Development Environment, Javascript, Frontend Performance, Web Content Accessibility Guidelines, Server Side, Semantic Web, Software Installation
★ 4.7 (17K) · Mixed · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Anatomy, Biochemistry, Physiology, Cell Biology, Biology, Chemistry, Medical Terminology, Molecular, Cellular, and Microbiology
★ 4.7 (122) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Occupational Health, Environment Health And Safety, Occupational Hygiene, Public Health, Environmental Laws, Environmental Regulations, Environmental Policy, Systems Thinking, Occupational Safety and Health Administration (OSHA), Environmental Science, Public Health and Disease Prevention, Injury Prevention, Environmental Issue, Health Policy, Risk Analysis
★ 4.6 (130) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bootstrap (Front-End Framework), Software Development Life Cycle, Cloud-Native Computing, Software Architecture, Browser Compatibility, User Centered Design, GitHub, CI/CD, Cloud Applications, Responsive Web Design, Cloud Development, NoSQL, Git (Version Control System), Webpack, HTML and CSS, Application Development, MongoDB, Agile Methodology, Front-End Web Development, Software Development
★ 4.6 (8.6K) · Beginner · Professional Certificate · 3 - 6 Months

University of Michigan
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Web Design, Verification And Validation, Web Design and Development, Cloud Hosting, Web Development, Front-End Web Development, Web Content, Web Development Tools, GitHub, Semantic Web, Responsive Web Design, Integrated Development Environments, Web Servers, Cascading Style Sheets (CSS)
★ 4.7 (28K) · Beginner · Course · 1 - 4 Weeks

Emory University
Skills you'll gain: Emergency Response, Crisis Intervention, Hazard Communication (HazCom), Media and Communications, Mitigation, Public Affairs, Interpersonal Communications, Persuasive Communication, Risk Management, Public Health and Disease Prevention, Public Health, Health Policy, Community Outreach, Community Health, Cultural Sensitivity
★ 4.7 (362) · Intermediate · Course · 1 - 4 Weeks