Evaluation of Immunologic Response following COVID-19 Vaccination in Children, Adolescents, and Young Adults with Cancer

Inclusion Criteria

• >= 6 months and =< 37 years of age at time of enrollment
• Patient plans to receive their first COVID-19 vaccine dose one of the food and drug administration (FDA) approved/FDA-emergency use authorization (EUA) approved COVID-19 vaccines OR patient already received their first COVID-19 vaccine dose =< 24 months prior to enrollment using one of the FDA approved/FDA-EUA approved COVID-19 vaccines. * Note: for this observational study, the decision to vaccinate is according to local discretion and should be made prior to consideration of enrollment
• Must have a diagnosis of cancer
• Patient must be undergoing or have previously received one of the following cancer treatments within 12 months before their first COVID-19 vaccine dose: * Dosing with chemotherapy or immunotherapy agent, including tyrosine kinase inhibitors and small molecule inhibitors targeting cancer * Dosing with monoclonal antibodies targeting B-cell antigens (e.g., Rituximab), or Bruton tyrosine kinase inhibitors or Janus Kinase inhibitors * Stem cell infusion for bone marrow transplant or CAR-T infusion for cellular therapy
• A patient enrolling prior to their first COVID-19 vaccine dose is eligible only if it is feasible to collect required baseline study specimens within protocol mandated time period prior to the initial COVID-19 vaccine dose; or a patient who already received a COVID-19 vaccine is eligible only if feasible to collect at least one post-first-dose follow-up specimen (i.e., at minimum, collection of the 24m PFD follow-up specimen must be feasible as per timing requirements * Note: for this observational study, the vaccine timing and regimen will proceed according to local discretion. Patients enrolled prior to their first COVID-19 vaccine dose who do not receive initial vaccine dose within 3 months after enrollment will be taken off study
• All patients and/or their parents or legal guardians must sign a written informed consent
• All institutional, FDA, and National Cancer Institute (NCI) requirements for human studies must be met

Exclusion Criteria

• Documented SARS-CoV-2 monoclonal antibody infusion or convalescent plasma after COVID-19 infection within last 90 days * Note: patients with previous COVID-19 infection are eligible as long as requirements are met. Patients receiving intravenous immunoglobulin therapy (IVIG) therapy (i.e., post bone marrow transplantation [BMT] or chimeric antigen receptor [CAR]-T) are eligible
• Patients undergoing radiation therapy only are ineligible * Reminder: before the planned initial COVID-19 vaccine dose, patient must be undergoing or have received cancer treatments