https://www.redcrossblood.org/donate-blood/blood-types.html

The American Red Cross has a critical shortage of type O blood and urges type O donors to give now to ensure blood is available for patients facing trauma and ...

https://www.disabled-world.com/calculators-charts/blood-chart.php

Sep 28, 2012 ... Information regarding blood types including charts outlining donor compatibility ... The universal plasma donor has Type AB positive blood type.

https://www.bswhealth.com/patient-tools/blood-center/Pages/blood-type-genetics-and-compatibility.aspx

There are four main blood types: A, AB, B and O. AB positive is considered the universal recipient, and O negative is considered the universal donor.

https://www.livescience.com/36559-common-blood-type-donation.html

Apr 1, 2019 ... Type O blood is often in short supply in hospitals, due to demand for this universal donor type, according to the Red Cross. In particular, type ...

https://www.mayoclinic.org/tests-procedures/blood-transfusion/expert-answers/universal-blood-donor-type/faq-20058229

Apr 25, 2019 ... Type O negative is sometimes called the universal blood donor type.

https://www.medicalnewstoday.com/articles/218285.php

Apr 25, 2017 ... There are eight common blood types, and receiving a donation of each affects the ... Group O negative is known as the "universal donor" type.

https://www.infoplease.com/math-science/biology/human-body/all-about-blood-types

People with Type O negative blood are considered to be universal donors ... a chart listing blood types, the percentage of Americans with that type, and the types ...

https://www.healthline.com/health/rarest-blood-type

Jan 8, 2018 ... These are the ABO and the Rh-positive/Rh-negative blood group ... This is why people with type O blood are considered “universal donors.

https://kidshealth.org/en/teens/blood-types.html

Blood cannot be artificially made, so doctors rely on volunteer donations. To keep the blood supply safe, every donation is tested for blood type and checked for ...