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Blood Donation

Last Updated on May 24, 2022
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Blood Donation - Overview

World Blood Donor Day is celebrated on the 14th of June every year to mark the birth anniversary of Karl Lansteiner who discovered the blood group system.

Blood Groups

Blood donation is carried out when a person voluntarily agrees for blood to be drawn with the intention of donating it. The donated blood may be used for transfusions or it may be separated into individual components to be used as required. The latter procedure is called fractionation.

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Blood donation may be of different kinds. In the developed countries unpaid donors give blood to replenish a community supply. In economically poorer countries, however, blood donation is carried out according to demand, as the established blood ties are extremely limited. It may be an altruistic act or it may include a cash payment or incentives other than money. A person can have blood drawn and stored for own future use.

Blood Donation

In 1997, the World Health Organization (WHO) set a target for all blood donors to be unpaid volunteers. But statistics, in 2006, revealed that only 49 of 124 countries surveyed had achieved this target.

Typically, it is mandatory for potential donors to consent to blood donation. In the case of minors, parental consent is required. In some countries the donors may enjoy anonymity while in others it may be essential to know the ethnic background of the donor because some blood types are more common among certain races while being rare in others.

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People who are potential donors are physically examined by a physician and their medical history is also examined. They will also have their blood screened for diseases that are easily transmitted through blood donations, such as viral hepatitis and AIDS.

Blood donation is rather easy and safe for most people. Some may feel faint or feel some pain when the blood is being drawn. The frequency with which blood can be drawn is dependant on various factors and also the law of the land. It may in general vary from days to month.

The amount of whole blood donated may vary between 300ml-500 ml (1 pint). Collection may be carried out manually or by using automated equipments, the latter helping to draw specific components from the blood. How often a donor can donate varies from days to months based on which component of the blood they are donating and the laws of the country where the donation takes place.

Blood components have a very short shelf life, therefore, acquiring a steady supply or stock piling blood or any of its components is a perennial problem. To circumvent this obstacle, scientist even tried their hand at transfusing blood from other animals to humans but in vain. It appears that only the blood of one human suits another. But there is more to that too as will be discussed in the coming sections.

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Globally, there are tragedies happening at magnanimous scale and the demand for blood will escalate. After the September 11 tragedy the need to store blood was discussed with great fervor and the need to keep stock of a steady supply was greatly emphasized. According to 2008 estimates there was an annual collection of 81 million units of blood.

Donating blood is definitely an altruistic noble and noble gesture filling the donor with happiness and contentment. It is an intensely humanitarian act which tides over man made barriers and one of the best ways to express our love and care for our fellow beings.

References

  1. Donors who give blood voluntarily and for altruistic reasons have the lowest prevalence of HIV, hepatitis viruses and other blood-borne infections, as compared to people who donate for family members or in lieu of payment.
  2. WHO Fact sheet N279, June 2008, Blood safety and donation

Latest Publications and Research on Blood Donation

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Comments

Shazidamain

According to a recent survey conducted by World Health Organisation, 52.42% of all blood donated in India is through voluntary blood donation camps. The figure was 45% in 2002. This shows that nearly 47.58% of all blood donated is either from paid donors or from family members.

sriharsha.d

i have donated my blood on 22 feb 2013. can i donate it again on 24 april 2013? i'm of 19 years

purnima.rajput

kya jb koi physical ho to last night kya woh blood de sakta hai.....

Michael48

Can I donate at a childrens' hospital if i am taking balsalazide disodium fo colitis?

Dominik

Can I donate blood if a smoked weed ?

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