inclusion criteria: 1. adult, ≥ 18 years at the time of signing the informed consent. 2. cohort specific inclusion criteria: solid organ transplant * participants with heart, lung, kidney, or liver transplant, and are stable on immunosuppressants (defined as no change in dose in the previous 4 weeks). hematopoietic stem cell transplant * participants with autologous (up to 6 months after transplantation) or allogeneic stem cell transplant who are immunosuppressed, with no evidence of active graft-versushost disease, at least one month after the procedure. cancer patients on chemotherapy * participants with solid tumors (except breast cancer), histologically diagnosed, who were undergoing intravenous cytotoxic chemotherapy within the last 6 months, who received at least 1 cycle prior to cytotoxic chemotherapy, and have a life expectancy of longer than 3 months. chronic inflammatory conditions * participants with chronic inflammatory conditions, including those on immunosuppressant medications, can be recruited. the following conditions are specifically excluded: multiple sclerosis and peripheral demyelinating disease. primary immune deficiency * examples include combined granulomatous disorder, scid, common variable immunodeficiency. immunocompetent: * no confirmed or suspected immunosuppressive or immunodeficient state. * no use of immunosuppressant medication within the past 1 month (≥ 20 mg per day of prednisone or its equivalent, given daily or on alternate days for ≥ 15 days within 30 days prior to administration of azd1222). the following exceptions are permitted: topical/inhaled steroids or short-term oral steroids (course lasting ≤ 14 days). * no receipt of immunoglobulins and/or any blood products within 3 months prior to administration of azd1222 or expected receipt during the period of study follow up. * no severe and/or uncontrolled cardiovascular disease, respiratory disease, gastrointestinal disease, liver disease, renal disease, endocrine disorder, and neurological illness, as judged by the investigator.

inclusion criteria: 1. adult, ≥ 18 years at the time of signing the informed consent. 2. cohort specific inclusion criteria: solid organ transplant * participants with heart, lung, kidney, or liver transplant, and are stable on immunosuppressants (defined as no change in dose in the previous 4 weeks). hematopoietic stem cell transplant * participants with autologous (up to 6 months after transplantation) or allogeneic stem cell transplant who are immunosuppressed, with no evidence of active graft-versushost disease, at least one month after the procedure. cancer patients on chemotherapy * participants with solid tumors (except breast cancer), histologically diagnosed, who were undergoing intravenous cytotoxic chemotherapy within the last 6 months, who received at least 1 cycle prior to cytotoxic chemotherapy, and have a life expectancy of longer than 3 months. chronic inflammatory conditions * participants with chronic inflammatory conditions, including those on immunosuppressant medications, can be recruited. the following conditions are specifically excluded: multiple sclerosis and peripheral demyelinating disease. primary immune deficiency * examples include combined granulomatous disorder, scid, common variable immunodeficiency. immunocompetent: * no confirmed or suspected immunosuppressive or immunodeficient state. * no use of immunosuppressant medication within the past 1 month (≥ 20 mg per day of prednisone or its equivalent, given daily or on alternate days for ≥ 15 days within 30 days prior to administration of azd1222). the following exceptions are permitted: topical/inhaled steroids or short-term oral steroids (course lasting ≤ 14 days). * no receipt of immunoglobulins and/or any blood products within 3 months prior to administration of azd1222 or expected receipt during the period of study follow up. * no severe and/or uncontrolled cardiovascular disease, respiratory disease, gastrointestinal disease, liver disease, renal disease, endocrine disorder, and neurological illness, as judged by the investigator.

inclusion criteria: adult, ≥ 18 years at the time of signing the informed consent. cohort specific inclusion criteria: solid organ transplant participants with heart, lung, kidney, or liver transplant, and are stable on immunosuppressants (defined as no change in dose in the previous 4 weeks). hematopoietic stem cell transplant participants with autologous (up to 6 months after transplantation) or allogeneic stem cell transplant who are immunosuppressed, with no evidence of active graft-versushost disease, at least one month after the procedure. cancer patients on chemotherapy participants with solid tumors (except breast cancer), histologically diagnosed, who were undergoing intravenous cytotoxic chemotherapy within the last 6 months, who received at least 1 cycle prior to cytotoxic chemotherapy, and have a life expectancy of longer than 3 months. chronic inflammatory conditions participants with chronic inflammatory conditions, including those on immunosuppressant medications, can be recruited. the following conditions are specifically excluded: multiple sclerosis and peripheral demyelinating disease. primary immune deficiency examples include combined granulomatous disorder, scid, common variable immunodeficiency. immunocompetent: no confirmed or suspected immunosuppressive or immunodeficient state. no use of immunosuppressant medication within the past 1 month (≥ 20 mg per day of prednisone or its equivalent, given daily or on alternate days for ≥ 15 days within 30 days prior to administration of azd1222). the following exceptions are permitted: topical/inhaled steroids or short-term oral steroids (course lasting ≤ 14 days). no receipt of immunoglobulins and/or any blood products within 3 months prior to administration of azd1222 or expected receipt during the period of study follow up. no severe and/or uncontrolled cardiovascular disease, respiratory disease, gastrointestinal disease, liver disease, renal disease, endocrine disorder, and neurological illness, as judged by the investigator.

inclusion criteria: adult, ≥ 18 years at the time of signing the informed consent. cohort specific inclusion criteria: solid organ transplant participants with heart, lung, kidney, or liver transplant, and are stable on immunosuppressants (defined as no change in dose in the previous 4 weeks). hematopoietic stem cell transplant participants with autologous (up to 6 months after transplantation) or allogeneic stem cell transplant who are immunosuppressed, with no evidence of active graft-versushost disease, at least one month after the procedure. cancer patients on chemotherapy participants with solid tumors (except breast cancer), histologically diagnosed, who were undergoing intravenous cytotoxic chemotherapy within the last 6 months, who received at least 1 cycle prior to cytotoxic chemotherapy, and have a life expectancy of longer than 3 months. chronic inflammatory conditions participants with chronic inflammatory conditions, including those on immunosuppressant medications, can be recruited. the following conditions are specifically excluded: multiple sclerosis and peripheral demyelinating disease. primary immune deficiency examples include combined granulomatous disorder, scid, common variable immunodeficiency. immunocompetent: no confirmed or suspected immunosuppressive or immunodeficient state. no use of immunosuppressant medication within the past 1 month (≥ 20 mg per day of prednisone or its equivalent, given daily or on alternate days for ≥ 15 days within 30 days prior to administration of azd1222). the following exceptions are permitted: topical/inhaled steroids or short-term oral steroids (course lasting ≤ 14 days). no receipt of immunoglobulins and/or any blood products within 3 months prior to administration of azd1222 or expected receipt during the period of study follow up. no severe and/or uncontrolled cardiovascular disease, respiratory disease, gastrointestinal disease, liver disease, renal disease, endocrine disorder, and neurological illness, as judged by the investigator.

inclusion criteria: 1. adult, ≥ 18 years at the time of signing the informed consent. 2. cohort specific inclusion criteria: solid organ transplant - participants with heart, lung, kidney, or liver transplant, and are stable on immunosuppressants (defined as no change in dose in the previous 4 weeks). hematopoietic stem cell transplant - participants with autologous (up to 6 months after transplantation) or allogeneic stem cell transplant who are immunosuppressed, with no evidence of active graft-versushost disease, at least one month after the procedure. cancer patients on chemotherapy - participants with solid tumors (except breast cancer), histologically diagnosed, who were undergoing intravenous cytotoxic chemotherapy within the last 6 months, who received at least 1 cycle prior to cytotoxic chemotherapy, and have a life expectancy of longer than 3 months. chronic inflammatory conditions - participants with chronic inflammatory conditions, including those on immunosuppressant medications, can be recruited. the following conditions are specifically excluded: multiple sclerosis and peripheral demyelinating disease. primary immune deficiency - examples include combined granulomatous disorder, scid, common variable immunodeficiency. immunocompetent: - no confirmed or suspected immunosuppressive or immunodeficient state. - no use of immunosuppressant medication within the past 1 month (≥ 20 mg per day of prednisone or its equivalent, given daily or on alternate days for ≥ 15 days within 30 days prior to administration of azd1222). the following exceptions are permitted: topical/inhaled steroids or short-term oral steroids (course lasting ≤ 14 days). - no receipt of immunoglobulins and/or any blood products within 3 months prior to administration of azd1222 or expected receipt during the period of study follow up. - no severe and/or uncontrolled cardiovascular disease, respiratory disease, gastrointestinal disease, liver disease, renal disease, endocrine disorder, and neurological illness, as judged by the investigator.

inclusion criteria: 1. adult, ≥ 18 years at the time of signing the informed consent. 2. cohort specific inclusion criteria: solid organ transplant - participants with heart, lung, kidney, or liver transplant, and are stable on immunosuppressants (defined as no change in dose in the previous 4 weeks). hematopoietic stem cell transplant - participants with autologous (up to 6 months after transplantation) or allogeneic stem cell transplant who are immunosuppressed, with no evidence of active graft-versushost disease, at least one month after the procedure. cancer patients on chemotherapy - participants with solid tumors (except breast cancer), histologically diagnosed, who were undergoing intravenous cytotoxic chemotherapy within the last 6 months, who received at least 1 cycle prior to cytotoxic chemotherapy, and have a life expectancy of longer than 3 months. chronic inflammatory conditions - participants with chronic inflammatory conditions, including those on immunosuppressant medications, can be recruited. the following conditions are specifically excluded: multiple sclerosis and peripheral demyelinating disease. primary immune deficiency - examples include combined granulomatous disorder, scid, common variable immunodeficiency. immunocompetent: - no confirmed or suspected immunosuppressive or immunodeficient state. - no use of immunosuppressant medication within the past 1 month (≥ 20 mg per day of prednisone or its equivalent, given daily or on alternate days for ≥ 15 days within 30 days prior to administration of azd1222). the following exceptions are permitted: topical/inhaled steroids or short-term oral steroids (course lasting ≤ 14 days). - no receipt of immunoglobulins and/or any blood products within 3 months prior to administration of azd1222 or expected receipt during the period of study follow up. - no severe and/or uncontrolled cardiovascular disease, respiratory disease, gastrointestinal disease, liver disease, renal disease, endocrine disorder, and neurological illness, as judged by the investigator.