In most of the rest of the world, anthrax in animals occurs only sporadically. In the United States, outbreaks in animals have occurred since 1990 in the Midwest (Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota), in the West (California, Nevada), and in Texas and Oklahoma (MBAH 2006, WHOCC).
lethargy (countable and uncountable, plural lethargies) ( 1 pathology) A condition characterized by extreme fatigue or drowsiness, or prolonged sleep patterns. 2  A state of extreme torpor or apathy, especially with lack of emotion or interest; loosely, sluggishness, laziness.
The causes of lethargy are complex, and in reality there is rarely one specific cause. But it's likely that your lethargy is caused by some combination of: Sleepiness Yes, the most basic cause of lethargy is simply being sleepy. Anxiety and stress can lead to poor sleeping habits and less restful sleep, so the longer you suffer from anxiety, the more likely you are to genuinely be sleepy.