“…In the flare group, most patients received mRNA vaccines (28%) [ 8 , 10 – 12 , 28 , 38 – 58 ], with the BioNTech/Pfizer vaccine (20%) reported more often than the Moderna vaccine (7%), followed by the AstraZeneca vaccine (7%) [ 5 , 10 , 12 , 26 , 38 , 50 , 59 ] and the Sinovac vaccine (1%) [ 41 , 60 ]. Flares were most commonly reported following the second vaccine dose (23%) [ 5 , 10 , 12 , 38 – 44 , 49 – 51 , 55 , 56 , 58 ], followed by the first vaccine dose (7%) [ 10 – 12 , 26 , 28 , 38 , 39 , 48 , 50 , 53 , 54 , 59 ], both the first and second doses (2%) [ 38 , 52 ], and the third dose (1%) [ 8 , 39 ]. The onset time in the flare group ranged from 1 day to 90 days.…”