As with lower respiratory infections,the rate for upper respiratory infections and otitis was estimated to belower in developed countries, at 12% (5â18%). Globally, more than 1.5million deaths annually from respiratory infections are attributable to theenvironment (see Table A2.3).ther estimates of theenvironmental attributable fraction came from the CRA (WHO, 2002). Wereport the results for each disease or disease group in the following sections. Indoor and outdoor air quality are two of the main environmental factorsof concern for acute lower respiratory infections.
Erythropoietin (EPO) is a hormone produced by the kidney that promotes the formation of red blood cells by the bone marrow.
What is erythropoietin? Erythropoietin is a hormone which is produced predominantly by specialised cells in the kidney. Once it is made, it acts on red blood cells to protect them against destruction. At the same time it stimulates stem cells of the bone marrow to increase theproduction of red blood cells.