Sickled cells can obstruct the tiny blood vessels in the retina, the light-sensitive tissue at the back of the eye. This blockage reduces oxygen supply (ischaemia) and can result in retinal damage or ...
The Connecticut Department of Agriculture confirmed the presence of Highly Pathogenic Avian Influenza H5N1, commonly known as bird flu, in a flock of chickens, ducks and peacocks on Jan. 15. These ...