There's a reason soldiers go through basic training before heading into combat: Without careful instruction, green recruits armed with powerful weapons could be as dangerous to one another as to the enemy.
Scientists say unprepared immune cells appear to be responding to the coronavirus with a devastating release of chemicals, inflicting damage that may endure long after the threat has been eliminated.
Coronavirus deranges the immune system in complex, deadly ways | Pine and Lakes Echo Journal pineandlakes.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from pineandlakes.com Daily Mail and Mail on Sunday newspapers.
Some COVID survivors have developed serious autoimmune diseases, which occur when an overactive immune system attacks the patient, rather than the virus.
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