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.

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 (632) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Data Literacy, AI Enablement, Data Mining, AI Product Strategy, Generative AI, Generative Model Architectures, Decision Intelligence, Data Processing, Big Data, LLM Application, Information Architecture, AI literacy, Strategic Decision-Making, AI Integrations, Enterprise Architecture, Cloud Computing, Data Science, Data Architecture, Leadership
★ 4.7 (100K) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: HTML and CSS, Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Web Applications, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Development, Development Environment, Web Development Tools, Web Content Accessibility Guidelines, Semantic Web
★ 4.7 (17K) · Mixed · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Sanitation, Crisis Intervention, Public Health, Public Health and Disease Prevention, Water Resources, Social and Human Services, Chronic Diseases, Emergency Response, Nutritional Assessment, Environment Health And Safety, Nutrition and Diet, Community Health, Health Systems, Water Sustainability, Environmental Resource Management, Epidemiology, Health Care, Infectious Diseases, Mitigation, Patient Treatment
★ 4.8 (573) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Clinical Trials, Clinical Research Ethics, Clinical Research, Healthcare Ethics, Institutional Review Board (IRB), Scientific Methods, Statistical Reporting, Informed Consent, Ethical Standards And Conduct, Drug Development, Sample Size Determination, Statistical Methods, Statistical Analysis, Statistical Inference
★ 4.7 (4.4K) · Mixed · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Apache Spark, Apache Hadoop, Application Design, User Interface (UI), Distributed Computing, Programming Principles, Leaflet (Software), Big Data, Data Processing, Data Structures, Software Design Patterns, Functional Design, Object Oriented Design, Data Manipulation, Object Oriented Programming (OOP), Interactive Data Visualization, Scientific Visualization, Computer Programming, Algorithms
★ 4.7 (11K) · Intermediate · Specialization · 3 - 6 Months

University of Pittsburgh
Skills you'll gain: Laboratory Testing, Diagnostic Tests, Medical Terminology, General Medical Tests and Procedures, Pharmaceutical Terminology, Pathology, Vital Signs, Clinical Experience, Patient Communication, Patient Safety, Emergency and Intensive Care, Medication Administration, Intravenous Therapy, English Language
★ 4.8 (3.3K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: React Native, iOS Development, Apple iOS, Software Development Life Cycle, Flutter (Software), Mobile Development, Software Architecture, Android Studio, User Centered Design, Android Development, Swift Programming, Responsive Web Design, Git (Version Control System), GitHub, User Interface (UI) Design, Android (Operating System), Front-End Web Development, Cascading Style Sheets (CSS), Data Ethics, AI Personalization
★ 4.6 (8.4K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: HTML and CSS, Bootstrap (Front-End Framework), Responsive Web Design, Front-End Web Development, User Interface (UI), Hypertext Markup Language (HTML), JavaScript Frameworks, Web Frameworks, Web Development, Web Applications, Web Development Tools, Cascading Style Sheets (CSS), Web Design, React.js, General Networking, Javascript
★ 4.8 (14K) · Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Model Evaluation, Applied Machine Learning, Feature Engineering, Machine Learning Methods, Regression Analysis, Machine Learning, Image Analysis, Machine Learning Algorithms, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Supervised Learning, Model Training, Artificial Intelligence, Deep Learning, Computer Vision, Transfer Learning, Application Development, Predictive Modeling, Model Deployment, Python Programming
★ 4.6 (14K) · Mixed · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Behavioral Health, Pain Management, Applied Behavior Analysis, Scientific Methods, Behavior Management, Stress Management, Empathy & Emotional Intelligence, Ethical Standards And Conduct, Qualitative Research, Science and Research, Physiology
★ 4.8 (5.4K) · Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Processing, Data Visualization, Data Presentation, Data Cleansing, Data Collection, Data Visualization Software, Data Manipulation, Data Access, Data Wrangling, Python Programming, Web Analytics and SEO, Algorithms, Data Analysis, Web Scraping, Scripting
★ 4.7 (14K) · Beginner · Course · 1 - 3 Months