*possible, and in low % of people, and none have been shown to be more than a few days.

A lot of these side-effects affect >50% of people (phase 3 dosage is 100ug), including fatigue, chills, headache, muscle pain, nausea, and pain.

100% of the 100ug treatment group had at least one symptom, 80% of those classified as moderate. The vaccine is going to make you feel sick for a little while.