“…The most common adverse reactions within 14 days following Adacel vaccine include injection site pain (62.9% to 77.8%), erythema, and swelling as well as headache (33.9-43.7%), body ache or muscle weakness (21.9-30.4%), tiredness (24.3-30.2%), chills (8.1-15.1%), sore and swollen joints (9.1-11.3%), and fever. 9 Moderate (interfered with activities, but did not necessitate medical care or absenteeism) body ache or muscle weakness is reported with Tdap vaccination in adolescents and adults in 8.5% and 6.1% respectively. Whilst severe (incapacitating, prevented the performance of usual activities, may have/or did necessitate medical care or absenteeism) body ache or muscle weakness is reported in 1.2% and 1.3% of adults and adolescents respectively.…”