inclusion criteria: 1. meet centers for medicare and medicaid definition for long term care resident. 2. 65 years and older. 3. have already received or provide consent to receive the 2020 flu vaccine. 4. negative screen (within the last 2 weeks) for covid 19 virus. 5. has a history of chickenpox or shingles. 6. able to read and speak english. 7. able to provide informed consent and assent (with guardian/health care proxy).

inclusion criteria: 1. meet centers for medicare and medicaid definition for long term care resident. 2. 65 years and older. 3. have already received or provide consent to receive the 2020 flu vaccine. 4. negative screen (within the last 2 weeks) for covid 19 virus. 5. has a history of chickenpox or shingles. 6. able to read and speak english. 7. able to provide informed consent and assent (with guardian/health care proxy).

inclusion criteria: meet centers for medicare and medicaid definition for long term care resident. 65 years and older. have already received or provide consent to receive the 2020 flu vaccine. negative screen (within the last 2 weeks) for covid 19 virus. has a history of chickenpox or shingles. able to read and speak english. able to provide informed consent and assent (with guardian/health care proxy).

inclusion criteria: meet centers for medicare and medicaid definition for long term care resident. 65 years and older. have already received or provide consent to receive the 2020 flu vaccine. negative screen (within the last 2 weeks) for covid 19 virus. has a history of chickenpox or shingles. able to read and speak english. able to provide informed consent and assent (with guardian/health care proxy).

inclusion criteria: 1. meet centers for medicare and medicaid definition for long term care resident. 2. 65 years and older. 3. have already received or provide consent to receive the 2020 flu vaccine. 4. negative screen (within the last 2 weeks) for covid 19 virus. 5. has a history of chickenpox or shingles. 6. able to read and speak english. 7. able to provide informed consent and assent (with guardian/health care proxy).

inclusion criteria: 1. meet centers for medicare and medicaid definition for long term care resident. 2. 65 years and older. 3. have already received or provide consent to receive the 2020 flu vaccine. 4. negative screen (within the last 2 weeks) for covid 19 virus. 5. has a history of chickenpox or shingles. 6. able to read and speak english. 7. able to provide informed consent and assent (with guardian/health care proxy).