Blood type distribution by country in Europe by Jakub Marian

The ABO blood group system is the most important blood type classification system for humans. Simply put, the labels O, A, B, and AB indicate whether the antigens A and B are present on the red blood cells of a person (O stands for “no antigens”, while AB means that both are present).This is important when blood is transferred from one person to another. The immune system of the recipient may react (often fatally) to the presence of antigens that are not supposed to be present in the blood; in particular, O-type blood is compatible with all other blood types (since no antigens are present), whereas AB-type blood is only compatible with AB (since both antigens are present).

The ABO blood group is determined genetically. As a result, its distribution varies among ethnic groups. Globally, the most common blood type is O, but the most common blood type of Europeans is A. The following map shows the distribution of the O, A, B, and AB blood types in the population by country in Europe (with colouring indicating the most common type, which in itself is not a reliable indicator of anything else; the actual figures are more important).

The map is based on an article on Wikipedia, which compiles data from many different sources. The data must be, therefore, taken with a big pinch of salt. They come from different years (which are often impossible to establish), and some of them may be outdated. The map should be understood as a tool allowing us to notice general trends, as small differences are unlikely to be statistically significant.

Blood type in EuropeTo see how exactly the types are distributed, take a look at the following maps. Blood type O is clearly more prevalent in Western Europe than in Eastern Europe:

Blood type 0 in EuropePrevalence of type A, on the other hand, is fairly constant, except a significant drop in Ireland and Iceland:

Blood type A in EuropeA trend opposite to type O can be seen in type B, which is more prevalent in Eastern Europe (and even more so in Asia):

Blood type B in EuropeThe values for the type AB are too small to be meaningfully visualized, but in general, the prevalence of type AB is highly positively correlated with the prevalence of type B.

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Manuela Cipri at present works as a researcher in the Department of Languages for Public Policies, Faculty of Political Science, Sapienza University of Rome, Chairwoman from the Scientific and Technical Committee in Hermes -CSE -- European's Researchers of linguistics field -- Board of NiKolaos Route (La via Nicolaiana, responsabile Monia Franceschini)- i cammini d'Europa Biographical outline: After graduating in Political Science,and pianoforte, Ms. Cipri attended a Masters course in Linguistic-cultural Mediation, an advanced training course in Specialised Translation and a Masters course in Geopolitics at the Sapienza University of Rome. From 2004 to 2006 she was a research assistant in English in the Department of Languages for Public Policies and carried out research activities in Canada, at Geonames in Ottawa, and participated in various conferences all over the world. She is a member of several research groups in Italy and abroad, such as the REI, the Italian Network for Institutional Excellence. She is on the board of directive Hermes - CSE Euroterminology, Nicolaiana Rout with Proff. Paul Arthur and Romeo Ciminello. She on the board and member of several Academic magazine such as "Fuori Luogo- Sociologia del Territorio, Turismo, Tecnologia" editor Fabio Corbisiero, publisher PM, and "Confini sociologici" Academic book FrancoAngeli "Confini sociologici" editor Prof. P. De Nardis Formafluens, Eurolinguistics-South Association. She is a member of the Italian Geographical Society and the Italian Association for Canadian Studies. Since 1999 she has written articles on place-names for the magazine International Tourism. She has interviewed various important figures from the world of politics and culture, including President George W. Bush, actor George Clooney, director Francis Ford Coppola, Nobel prize-winner for Literature Wole Soyinka and the Irish writer Jennifer Johnston Main publications: Cipri M. Processi Di Formazione Di Parole Nella Toponomastica Inglese, Guaraldieditore (2004) Second Edition 2007. Cipri M. (2004), L. Kovac: oltre le utopie razionalismo evoluzionista e noocrazia, in v.a. ‘Biologia moderna e visioni dell'umanita', Rome University "La Sapienza"(2004). Cipri M. (2004), Helga Nowotny:sulla difficile relazione tra le scienze della vita e le attivita' umane, in v.a. ‘Biologia moderna e visioni dell'umanita', Rome University “La Sapienza” (Premio Libro Europeo "Aldo Manuzio"2004). Cipri M. Approccio interculturale alla toponomastica inglese (2014) Cipri M. et al. , Text tools and trends(2013) Cipri M., Donna, domina in Sofonisba Anguissola's picture (2016) Cipri M. , Political communication in Italy – The fact checking on Matteo Renzi and Matteo Salvini (2014-2016) Cipri M. Network society : case of study – David Cameron and BREXIT (2016) Editor blog: CEO : ToESP/ ToELSP Test of English for specific purposes/ and Test of English for linguistics and specific purposes (TOESP è un esame di lingua inglese specialistica che permette di conseguire la Certificazione Europea nei livelli B1 e B2, for terminological knowledge on the scientific skills (medical language, economics language, and Legal language) Label Europeo 2009. CEO : Hermes - Centro Studi Europeo on Eurolinguistics and Euroterminology and collaboration with Termcoord EU (2016)