Flu Vaccine Topic Guide
Flu Vaccine: Flu vaccines may be composed of weakened live flu viruses or killed viruses that protect a person from developing influenza once administered. Reactions to the seasonal flu and H1N1 flu nasal-spray vaccines and shots include headache, nasal congestion, low-grade fever, sore throat, and muscle cramps.
Guillain-Barre Syndrome Guillain-Barre syndrome is a disorder of the nervous system in which the myelin sheath that insulates nerves deteriorates, causing loss of sensation and muscle weakness. The cause of the disease, also called polyneuropathy, is unknown. Doctors theorize it is an autoimmune disorder, however. Treatment includes supportive care and plasmapheresis.
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