Our blood is red because of something called haemoglobin, which helps carry oxygen around our bodies.
Articles on haematology
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Lots of people report bruising easily. What do doctors look for to see if it might be caused by something serious?
Of the 20 million people living with sickle cell disease globally, more than 66% are in sub-Saharan Africa.
If you have risk factors around blood clots, heart attack or stroke, this should actually be an impetus to get vaccinated sooner rather than later.
Top contributors
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Head, Melbourne School of Population and Global Health, The University of Melbourne, WEHI (Walter and Eliza Hall Institute of Medical Research)
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Professor, Department of Paediatrics, The University of Melbourne
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Associate Professor of Medical Sciences, University of Wollongong
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Senior lecturer in Haematology, University of Ghana