world health observances world health observances international observances denote a period to observe an issue of international interest or concern. many of these observances have been established by the united nations general assembly, united nations economic and social council or world health organization. world health observances mark a period which is often used to promote an issue and mobilize for action. below follows a list of days and months which have been denoted as health related observances. january 4 january - world braille day 30 january - world leprosy day february world cancer day world day of the sick international childhood cancer day rare disease day march world tuberculosis day april world health day world parkinson’s awareness day european patients rights day world chagas disease day world malaria day testicular cancer awareness month world immunization week may european cancer prevention week june international day for protection of children world blood donor day men’s health month national safety month international men’s health week men’s health week july world hepatitis day august first week of august- world breast feeding awareness week october breast cancer awareness month vegetarian awareness month world mental health day world arthritis day world osteoporosis day november world diabetes day world antimicrobial awareness week december world aids day international day of epidemic preparedness