Jessamyn Smyth's symptoms improved after getting a Covid-19 vaccine.
Mandatory Credit: Courtesy Jessamyn Smyth
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Some Covid-19 long haulers say vaccines may be relieving their symptoms. Researchers are looking into it
Jessamyn Smyth hopes that two shots in the arm may be what finally delivers her from a year in which the lasting effects of Covid-19 wreaked chaos in her life.
