Chills and headaches after a COVID-19 vax a good sign for immunity: study
A one degree increase in skin temperature also predicted a better immune response six months down the line: study.
Patients who report headache, fatigue or fever after their COVID-19 shot may be heartened by findings that show the presence of post-vaccination symptoms may mean better immunity.
US researchers found that side effects of Spikevax and Comirnaty were associated with an almost twofold higher immune response six months after the vaccine.
