covid-19 vaccination

Surprised by the condition of the person who injected 217 doses of Covid-19 vaccine into his body
A man in Germany has received more than 200 doses of the COVID-19 vaccine, but scientists have not detected any abnormalities in his immune system.
Prolonged fever after vaccination may be a symptom of SARS-CoV infection
Prolonged fever after Covid-19 vaccination may not be a side effect of vaccination but a symptom of SARS-CoV-2 infection.