The purpose of this study is to collect information that will help the reasearchers learn more about COVID-19 infections in cancer patients, and to find out about the effects of these infections on cancer treatment and outcomes. The research study involves asking people to complete a series of online questionnaires that include questions about their medical history, lifestyle, and risk factors related to the COVID-19 infection. The study will enroll both MSK patients and their household family members.

Inclusion Criteria:

MSK Patients

• All individuals who have had at least one point of contact since January 1st 2019 as a patient, including visiting an MSK facility for treatment, clinical evaluation, follow-up or screening, COVID-related screening, or a telehealth visit. Household Members of MSK Patients
• Individuals aged 18 or older
• Currently reside in the same household of MSK patients enrolled onto this protocol
• Have an email account

Exclusion Criteria:

• Impaired decision-making capacity as noted in EHR
• Current MSK employee

As this is an institution-wide registry, potential research subjects will be identified by the Health Informatics group.

Memorial Sloan Kettering Cancer Center supports the international committee of medical journal editors (ICMJE) and the ethical obligation of responsible sharing of data from clinical trials. The protocol summary, a statistical summary, and informed consent form will be made available on clinicaltrials.gov when required as a condition of Federal awards, other agreements supporting the research and/or as otherwise required. Requests for deidentified individual participant data can be made beginning 12 months after publication and for up to 36 months post publication. Deidentified individual participant data reported in the manuscript will be shared under the terms of a Data Use Agreement and may only be used for approved proposals. Requests may be made to: crdatashare@mskcc.org.