World Blood Donor Day (WBDD) is held on June 14 each year.

It can help patients who are suffering from life-threatening conditions live longer and with higher quality of life, and supports complex medical and surgical procedures.

[4] An adequate supply can only be assured through regular donations by voluntary unpaid blood donors.

[6] Landsteiner was awarded the Nobel Prize for his discovery of the ABO blood group system.

It is helpful for patients who are suffering from life-threatening conditions for living longer and with a higher quality of life.

This theme reflects the important role blood donors play in maintaining the health and well-being of communities around the world.

This year, the global event on blood donor day was hosted by Mexico on June 14, 2022.

The WBDD 2016 focused on thanking blood donors while emphasizing the role of the voluntary donation.

This year campaign pays attention to stories from people whose lives have been saved through blood donation.

Activities include memorable events, meetings, publication of relevant stories on media, scientific conferences, publication of articles on national, regional and international scientific journals, and other activities that would help in encouraging the title of this year's World Blood Donor Day.

[citation needed] According to the World Health Organization, 800 women die every day from pregnancy and childbirth-related complications.

[23] Severe bleeding is the cause of 34% of maternal deaths in Africa, 31% in Asia and 21% in Latin America and the Caribbean.