Medicine and health: 271 holidays
January
- January 3 · International Mind-Body Wellness Day
- January 4 · World Hypnosis Day
- January 5 · International Detox Day
- January 8 · Donor Day in Armenia
- January 11 · International Paget's Awareness Day
- January 20 · International Day of Acceptance
- January 24 · Global Belly Laugh Day
- January 25 · World Leprosy Day
- January 26 · International Kawasaki Disease Awareness Day
- January 27 · World Breast Pumping Day
- January 30 · World Neglected Tropical Diseases Day
February
- February 1 · World Aspergillosis Day
- February 3 · International Women Physicians Day
- February 4 · World Cancer Day
- February 5 · World Animal Reiki Day
- February 9 · International Epilepsy Day
- February 9 · International Dentist's Day
- February 11 · World Day of the Sick
- February 11 · World Unani Day
- February 13 · International Condom Day
- February 13 · International Self-Love Day
- February 15 · International Childhood Cancer Day
- February 15 · International Operating Room Nurses' Day
- February 17 · World Human Spirit Day
- February 18 · International Asperger's Day
- February 20 · International Ectodermal Dysplasias Awareness Day
- February 21 · Feldsher Day in Russia
- February 22 · World Encephalitis Day
- February 24 · International SCN2A Awareness Day
- February 25 · Quiet Day
- February 25 · Let's All Eat Right Day
- February 26 · World Day of Slowness
- February 27 · International Optimist Day
- February 28 · Public Sleep Day
- February 28 · Rare Disease Day
- February 28 · RSI Awareness Day
March
- March 1 · Zero Discrimination Day
- March 2 · World Teen Mental Wellness Day
- March 3 · World Hearing Day
- March 4 · World Obesity Day
- March 4 · International Glasses Wearers Day
- March 6 · International Dentist’s Day
- March 6 · World Lymphedema Day
- March 10 · Dietitian's Day
- March 11 · World Plumbing Day
- March 12 · World Kidney Day
- March 17 · Doctor-Patient Trust Day
- March 20 · International Day of Happiness
- March 21 · World Down Syndrome Day
- March 22 · World Water Day
- March 24 · World Tuberculosis Day
- March 24 · International Depression Awareness Day
- March 26 · Purple Day
- March 28 · Nutritionist Day
- March 30 · Take a Walk in the Park Day
- March 30 · National Doctors' Day
- March 31 · International Transgender Day of Visibility
April
- April 2 · World Autism Awareness Day
- April 4 · International Day for Mine Awareness and Assistance in Mine Action
- April 6 · International Asexuality Day
- April 7 · World Health Day
- April 10 · World Homeopathy Day
- April 11 · World Parkinson's Day
- April 11 · International Day for Maternal Health and Rights
- April 13 · World Sarcoidosis Day
- April 14 · World Chagas Disease Day
- April 16 · World Voice Day
- April 16 · World Semicolon Day
- April 17 · World Hemophilia Day
- April 20 · National Blood Donor Day in Russia
- April 23 · Psychologists' Day in Ukraine
- April 24 · World Immunization Week
- April 25 · World Tai Chi and Qigong Day
- April 25 · World Malaria Day
- April 25 · World Veterinary Day
- April 28 · World Day for Safety and Health at Work
- April 28 · Chemical Safety Day
- April 28 · Emergency Medical Services Workers' Day
- April 29 · World Wish Day
May
- May 2 · International Scurvy Awareness Day
- May 5 · World Asthma Day
- May 5 · International Day of the Midwife
- May 5 · International Day for the Rights of Persons with Disabilities
- May 6 · International No Diet Day
- May 6 · Wishbone Day
- May 8 · World Red Cross and Red Crescent Day
- May 8 · World Thalassaemia Day
- May 8 · World Ovarian Cancer Day
- May 10 · Move for Health Day
- May 11 · World Ego Awareness Day
- May 11 · Foam Rolling Day
- May 12 · International Nurses Day
- May 12 · International Awareness Day for ME and Fibromyalgia
- May 17 · World Hypertension Day
- May 17 · International AIDS Candlelight Memorial
- May 18 · World AIDS Vaccine Day
- May 19 · Pharmaceutical Workers' Day in Russia
- May 19 · World IBD Day
- May 20 · World Traumatologist Day
- May 23 · World Crohn's and Colitis Day
- May 25 · World Thyroid Day
- May 27 · Sunscreen Day
- May 28 · International Day of Action for Women's Health
- May 29 · World Digestive Health Day
- May 30 · World MS Day
- May 31 · World No Tobacco Day
June
- June 2 · Healthy Eating and Moderation Day
- June 2 · World Eating Disorders Action Day
- June 3 · Global Running Day
- June 3 · World Bicycle Day
- June 3 · World Clubfoot Day
- June 4 · World Day for Assistive Technology
- June 7 · World Food Safety Day
- June 8 · World Brain Tumour Day
- June 11 · Russian Multiple Sclerosis Awareness Day
- June 13 · International Albinism Awareness Day
- June 14 · World Blood Donor Day
- June 15 · World Elder Abuse Awareness Day
- June 15 · World Dengue Day
- June 17 · Medical Workers’ Day in Azerbaijan
- June 19 · International Walking Day
- June 19 · World Sickle Cell Day
- June 21 · Medical Workers’ Day
- June 21 · International Day of Yoga
- June 22 · World Bathing Day
- June 23 · Physical Culture Day in Armenia
- June 25 · World Vitiligo Day
- June 26 · International Day against Drug Abuse and Illicit Trafficking
- June 26 · International Day in Support of Victims of Torture
- June 27 · World Microbiome Day
- June 29 · World Scleroderma Day
July
- July 5 · Medical Workers' Day in Kyrgyzstan
- July 6 · World Cardiologist Day
- July 7 · Psychosomatic Illness Awareness Day
- July 8 · World Allergy Day
- July 9 · World Misophonia Awareness Day
- July 11 · World Population Day
- July 12 · International Day of Combating Sand and Dust Storms
- July 12 · International Day of Hope
- July 15 · Russian Gynaecologists' Day
- July 19 · Stick Out Your Tongue Day
- July 19 · International Retainer Day
- July 22 · World Brain Day
- July 23 · World Sjögren's Day
- July 24 · International Self-Care Day
- July 25 · World Drowning Prevention Day
- July 25 · International Day for Judicial Well-being
- July 25 · World Embryologist Day
- July 27 · Medical Workers’ Day in Ukraine
- July 27 · World Head and Neck Cancer Day
- July 28 · World Hepatitis Day
August
- August 1 · World Breastfeeding Week
- August 1 · World Lung Cancer Day
- August 3 · CLOVES Syndrome Awareness Day
- August 6 · International Physicians for Peace Day
- August 6 · Wiggle Your Toes Day
- August 8 · Physical Culture Day in Russia
- August 8 · International Ophthalmology Day
- August 9 · Veterinary Medicine Workers' Day in Ukraine
- August 13 · World Organ Donation Day
- August 17 · World Pedestrian Day
- August 18 · Medical Workers' Day in Tajikistan
- August 18 · World Breast Cancer Research Day
- August 20 · World Mosquito Day
- August 21 · World Senior Citizens Day
- August 28 · Military Medic Day in Russia
- August 28 · Makaton International Awareness Day
- August 29 · More Herbs, Less Salt Day
- August 31 · Veterinary Workers’ Day in Russia
- August 31 · International Overdose Awareness Day
September
- September 4 · World Sexual Health Day
- September 7 · International Day of Clean Air for blue skies
- September 7 · World Duchenne Awareness Day
- September 8 · World Physical Therapy Day
- September 9 · International FASD Awareness Day
- September 10 · World Suicide Prevention Day
- September 11 · Make Your Bed Day
- September 11 · No News Is Good News Day
- September 12 · World First Aid Day
- September 12 · Ukraine's Physical Culture and Sports Day
- September 12 · International Migraine Awareness Day
- September 13 · World Sepsis Day
- September 15 · Sanitary and Epidemiological Surveillance Day in Russia
- September 15 · World Lymphoma Awareness Day
- September 16 · International Interventional Cardiology Day
- September 17 · World Patient Safety Day
- September 19 · World Marrow Donor Day
- September 19 · Pharmaceutical Workers Day in Ukraine
- September 19 · International Surgeons Day
- September 21 · World Alzheimer's Day
- September 23 · International Day of Sign Languages
- September 25 · World Pharmacists Day
- September 25 · World Lung Day
- September 25 · International Ataxia Awareness Day
- September 26 · World Contraception Day
- September 27 · Blood Donor Day in Kyrgyzstan
- September 27 · International Day of the Deaf
- September 28 · World Rabies Day
- September 28 · International Safe Abortion Day
- September 29 · World Heart Day
- September 29 · Otolaryngologist Day
- September 30 · World School Milk Day
October
- October 1 · International Day of Older Persons
- October 3 · World Sobriety and Alcoholism Prevention Day
- October 5 · International Doctors’ Day
- October 6 · World Cerebral Palsy Day
- October 8 · World Sight Day
- October 8 · International Podiatry Day
- October 10 · World Mental Health Day
- October 10 · Healthcare and Medical Industry Workers' Day in Turkmenistan
- October 11 · Global Day Against Pain
- October 12 · World Arthritis Day
- October 12 · Sports Day in Japan
- October 13 · World Thrombosis Day
- October 13 · No Bra Day
- October 15 · Global Handwashing Day
- October 15 · Pharmaceutical and Microbiological Industry Workers' Day in Belarus
- October 15 · White Cane Day
- October 16 · World Anaesthesia Day
- October 16 · Allergist Day
- October 17 · District Physician Day in Russia
- October 17 · World Trauma Day
- October 18 · World Menopause Day
- October 19 · World Pediatric Bone and Joint Day
- October 20 · World Osteoporosis Day
- October 20 · All-Ukrainian Breast Cancer Awareness Day
- October 21 · Global Iodine Deficiency Disorders Prevention Day
- October 22 · International Stuttering Awareness Day
- October 23 · Kabuki Syndrome Awareness Day
- October 24 · World Polio Day
- October 26 · Intersex Awareness Day
- October 29 · World Stroke Day
- October 29 · World Psoriasis Day
- October 29 · International Day of Care and Support
- October 30 · International Orthopaedic Nurses Day
November
- November 4 · Stress Awareness Day
- November 7 · World Men's Day
- November 7 · International Day of Medical Physics
- November 8 · International Day of Radiology
- November 12 · World Pneumonia Day
- November 13 · International Day of the Blind
- November 14 · World Diabetes Day
- November 14 · International Speech Therapist's Day
- November 15 · World Day of Remembrance for Road Traffic Victims
- November 16 · International Anorexia Awareness Day
- November 17 · World Prematurity Day
- November 17 · Military Medical Workers' Day in Armenia
- November 18 · World AMR Awareness Week
- November 18 · World Day for Prevention of and Healing from Child Sexual Exploitation and Abuse
- November 19 · World Toilet Day
- November 19 · No Smoking Day
- November 19 · International Men's Day
- November 20 · Pediatrician Day
- November 22 · Psychologist's Day in Russia
- November 22 · Love Your Freckles Day
- November 24 · World Conjoined Twins Day
- November 24 · Winter Swimmers' Day (Walrus Day) in Russia
- November 25 · Roses Revolution Day
December
- December 1 · World AIDS Day
- December 1 · Neurologist's Day
- December 1 · Day Without Art
- December 3 · International Day Against Pesticides
- December 3 · International Day of Persons with Disabilities
- December 7 · Sleep Lovers Day
- December 12 · International Universal Health Coverage Day
- December 17 · International Day to End Violence Against Sex Workers
- December 21 · World Meditation Day
- December 22 · World Thermometer Day
- December 27 · International Day of Epidemic Preparedness
- December 29 · Get on the Scales Day
- December 31 · World Peace Meditation Day