445. Short Message Service Reminder Nudge for Parents and Influenza Vaccination Uptake in Children and Adolescents With Special Risk Medical Conditions
442. A multicenter, prospective, randomized, parallel-group trial on the effects of temporary methotrexate discontinuation for one week versus two weeks on seasonal influenza vaccination in patients with rheumatoid arthritis.
546. Short Message Service Reminder Nudge for Parents and Influenza Vaccination Uptake in Children and Adolescents With Special Risk Medical Conditions