23 харесвания
- nigms_nihWhat you’re seeing is small and green, but definitely not lucky, even on St. Patty’s Day. Anthrax bacteria (green) are being enveloped by an immune system cell (purple). Anthrax bacteria live in soil and form dormant spores that can survive for decades. When animals eat or inhale these spores, the bacteria activate and rapidly increase in number. Today, a highly effective and widely used vaccine has made the disease uncommon in domesticated animals and rare in humans.
Credit: Camenzind G. Robinson, Sarah Guilman and Arthur Friedlander, United States Army Medical Research Institute of Infectious Diseases
http://ow.ly/H7J030a104Mhttp://ow.ly/h6ne30a106y
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