Geometric Mean Titers (GMTs) of Serum Hemagglutination Inhibition (HAI) Antibodies Against the 2017 H7N9 Inactivated Influenza Vaccine (IIV) Strain After Second H7N9 Vaccination
Blood was collected for HAI assay at conducted with the 2017 H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. The geometric mean titer was calculated for each study arm from the available results at 21 days after the second dose of H7N9, which is Day 43 for Group 1 and Day 64 for Group 2.
GMTs of Serum HAI Antibodies Against Each of the 2017 IIV4 Strains
Blood was collected for HAI assay at conducted with the IIV4 vaccine viruses as the antigens. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. The geometric mean titer was calculated for each study arm from the available results.
GMTs of Serum Neutralizing Antibodies Against Each of the 2017 IIV4 Strains
Blood was collected for the serum neutralizing antibody assay conducted with the IIV4 vaccine viruses as the antigens. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. The geometric mean titer was calculated for each study arm from the available results.
GMTs of Serum Neutralizing Antibodies Against the 2017 H7N9 IIV Strain After the Second H7N9 Vaccination
Blood was collected for the serum neutralizing antibody assay conducted with the 2017 H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. The geometric mean titer was calculated for each study arm from the available results at 21 days after second dose of H7N9, which is Day 43 for Group 1 and Day 64 for Group 2.
Number of Participants Reporting Serious Adverse Events (SAEs)
SAEs included any untoward medical occurrence that resulted in death; was life threatening; was a persistent/significant disability/incapacity; required inpatient hospitalization or prolongation or a congenital anomaly/birth defect. All events are included regardless of relationship to the study product.
Number of Participants Assessed With Clinical Safety Laboratory AEs After First Vaccination
Laboratory parameters include alanine aminotransferase (ALT), bilirubin, creatinine, hemoglobin, platelets and white blood cells (WBC). Thresholds for adverse events were considered as ALT 44 IU/L or greater (female) or 61 IU/L or greater (male); bilirubin 1.30 mg/dL or greater; creatinine 1.1 mg/dL or greater (female) or 1.4 mg/dL or greater (male); hemoglobin 11.4 g/dL or lower (female) or 12.4 g/dL or lower (male); platelets 139 x10^3/µL or below or 416 x10^3/µL or greater; or WBC or 3.9 x10^3/µL or lower or 10.6 x10^3/µL or higher.
Number of Participants Assessed With Clinical Safety Laboratory AEs After Second Vaccination
Laboratory parameters include alanine aminotransferase (ALT), bilirubin, creatinine, hemoglobin, platelets and white blood cells (WBC). Thresholds for adverse events were considered as ALT 44 IU/L or greater (female) or 61 IU/L or greater (male); bilirubin 1.30 mg/dL or greater; creatinine 1.1 mg/dL or greater (female) or 1.4 mg/dL or greater (male); hemoglobin 11.4 g/dL or lower (female) or 12.4 g/dL or lower (male); platelets 139 x10^3/µL or below or 416 x10^3/µL or greater; or WBC or 3.9 x10^3/µL or lower or 10.6 x10^3/µL or higher.
Number of Participants Assessed With Clinical Safety Laboratory AEs After Third Vaccination
Laboratory parameters include alanine aminotransferase (ALT), bilirubin, creatinine, hemoglobin, platelets and white blood cells (WBC). Thresholds for adverse events were considered as ALT 44 IU/L or greater (female) or 61 IU/L or greater (male); bilirubin 1.30 mg/dL or greater; creatinine 1.1 mg/dL or greater (female) or 1.4 mg/dL or greater (male); hemoglobin 11.4 g/dL or lower (female) or 12.4 g/dL or lower (male); platelets 139 x10^3/µL or below or 416 x10^3/µL or greater; or WBC or 3.9 x10^3/µL or lower or 10.6 x10^3/µL or higher.
Number of Participants Reporting Solicited Injection Site AEs After First Vaccination
Injection site AEs solicited on a memory aid provided to participants included . Participants are considered reporting the injection site AE if they reported mild or greater severity at any time during the 8 days following vaccination Pain, Tenderness, Itching/Pruritus, Ecchymosis/Bruising (functional grade based on interference with daily activities), Ecchymosis/Bruising (any measured value >0mm), Erythema/Redness (functional grade), Erythema/ Redness (any measured value >0mm), Induration/Swelling (functional grade), and Induration/Swelling (measurement grade)
Number of Participants Reporting Solicited Injection Site AEs After Second Vaccination
Injection site AEs solicited on a memory aid provided to participants included . Participants are considered reporting the injection site AE if they reported mild or greater severity at any time during the 8 days following vaccination Pain, Tenderness, Itching/Pruritus, Ecchymosis/Bruising (functional grade based on interference with daily activities), Ecchymosis/Bruising (any measured value >0mm), Erythema/Redness (functional grade), Erythema/ Redness (any measured value >0mm), Induration/Swelling (functional grade), and Induration/Swelling (measurement grade)
Number of Participants Reporting Solicited Injection Site AEs After Third Vaccination
Injection site AEs solicited on a memory aid provided to participants included . Participants are considered reporting the injection site AE if they reported mild or greater severity at any time during the 8 days following vaccination Pain, Tenderness, Itching/Pruritus, Ecchymosis/Bruising (functional grade based on interference with daily activities), Ecchymosis/Bruising (any measured value >0mm), Erythema/Redness (functional grade), Erythema/ Redness (any measured value >0mm), Induration/Swelling (functional grade), and Induration/Swelling (measurement grade)
Occurrence of Study Vaccine-related SAEs
SAEs included any untoward medical occurrence that resulted in death; was life threatening; was a persistent/significant disability/incapacity; required inpatient hospitalization or prolongation or a congenital anomaly/birth defect. Events are included if deemed by the investigator to be related to the study product.
Number of Participants Reporting Solicited Systemic AEs After First Vaccination
Systemic AEs solicited on a memory aid provided to participants included Elevated Oral Temperature, Feverishness, Fatigue, Malaise, Myalgia, Arthralgia, Headache, and Nausea. Participants are considered reporting the systemic AE if they reported mild or greater severity at any time during the 8 days following vaccination.
Number of Participating Reporting Solicited Systemic AEs After Second Vaccination
Systemic AEs solicited on a memory aid provided to participants included Elevated Oral Temperature, Feverishness, Fatigue, Malaise, Myalgia, Arthralgia, Headache, and Nausea. Participants are considered reporting the systemic AE if they reported mild or greater severity at any time during the 8 days following vaccination.
Number of Participants Reporting Solicited Systemic AEs After Third Vaccination
Systemic AEs solicited on a memory aid provided to participants included Elevated Oral Temperature, Feverishness, Fatigue, Malaise, Myalgia, Arthralgia, Headache, and Nausea. Participants are considered reporting the systemic AE if they reported mild or greater severity at any time during the 8 days following vaccination.
Percentage of Participants Achieving HAI Seroconversion Against 2017 H7N9 Study Vaccine After Second H7N9 Vaccination
Blood was collected for the HAI assay conducted with the 2017 H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. Seroconversion was defined as HAI pre-vaccination titer <1:10 and post-vaccination titer = / >1:40 or pre-vaccination titer 1:10 or greater and min. 4-fold rise in post-vaccination antibody titer. 21 days after second dose of H7N9 is Day 22 for Group 1 and Day 43 for Group 2.
Percentage of Participants Achieving Neutralizing Antibody Seroconversion Against 2017 H7N9 Study Vaccine After Second H7N9 Vaccination
Blood was collected for the serum neutralizing antibody assay conducted with the 2017 H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. Seroconversion was defined as neutralizing antibody pre-vaccination titer <1:10 and post-vaccination titer 1:40 or greater, or pre-vaccination titer 1:10 or greater and minimum 4-fold rise in post-vaccination antibody titer. 21 days after second dose of H7N9 is Day 22 for Group 1 and Day 43 for Group 2.
Percentage of Participants Achieving HAI Seroconversion Against Each of the Study IIV4 Strains
Blood was collected for the HAI assay conducted with the IIV4 vaccine viruses as the antigens. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. Seroconversion was defined as HAI pre-vaccination titer <1:10 and post-vaccination titer = / >1:40 or pre-vaccination titer 1:10 or greater and min. 4-fold rise in post-vaccination antibody titer.
Percentage of Participants With HAI Antibody Titer of 1:40 or Greater Against Each of the Study IIV4 Strains
Blood was collected for the HAI assay conducted with the IIV4 vaccine viruses as the antigens. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result.
Percentage of Participants With HAI Antibody Titer of 1:40 or Greater Against the Influenza 2017 H7N9 Study Vaccine Strain After Second H7N9 Vaccination
Blood was collected for the HAI assay conducted with the 2017 H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. 21 days after second dose of H7N9 is Day 43 for Group 1 and Day 64 for Group 2
Percentage of Participants With Neutralizing Antibody Titer of 1:40 or Greater Against Each of the Study IIV4 Strains
Blood was collected for the serum neutralizing antibody assay conducted with the IIV4 vaccine viruses as the antigens. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result.
Percentage of Participants With Neutralizing Antibody Titer of 1:40 or Greater Against the Influenza 2017 H7N9 Study Vaccine Strain After Second H7N9 Vaccination
Blood was collected for the serum neutralizing antibody assay conducted with the 2017 H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. 21 days after second dose of H7N9 is Day 43 for Group 1 and Day 64 for Group 2
GMTs of Serum HAI Antibodies Against the Influenza 2017 H7N9 Vaccine Virus at Baseline
Blood was collected for HAI assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. The geometric mean titer was calculated for each study arm from the available results.
GMTs of Serum HAI Antibodies Against the Influenza 2017 H7N9 Vaccine Virus After First H7N9 Vaccination
Blood was collected for HAI assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. The geometric mean titer was calculated for each study arm from the available results. 21 days after first dose of H7N9 is Day 22 for Group 1 and Day 43 for Group 2.
GMTs of Serum Neutralizing Antibodies Against the Influenza 2017 H7N9 Vaccine Virus at Baseline
Blood was collected for the serum neutralizing antibody assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. The geometric mean titer was calculated for each study arm from the available results.
GMTs of Serum Neutralizing Antibodies Against the Influenza 2017 H7N9 Vaccine Virus After First H7N9 Vaccination
Blood was collected for serum neutralizing antibody assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. The geometric mean titer was calculated for each study arm from the available results. 21 days after first dose of H7N9 is Day 22 for Group 1 and Day 43 for Group 2.
Number of Participants Reporting Unsolicited Non-serious AEs After First Vaccination
Adverse events were defined as any untoward medical occurrence in a participant administered a pharmaceutical product regardless of its causal relationship to the study treatment. Non-serious AEs were collected from participants at follow up visits through approximately 21 days after each vaccination. Adverse events were MedDRA coded and are summarized by MedDRA System Organ Class (SOC).
Number of Participants Reporting Unsolicited Non-serious AEs After Second Vaccination
Adverse events were defined as any untoward medical occurrence in a participant administered a pharmaceutical product regardless of its causal relationship to the study treatment. Non-serious AEs were collected from participants at follow up visits through approximately 21 days after each vaccination. Adverse events were MedDRA coded and are summarized by MedDRA System Organ Class (SOC).
Number of Participants Reporting Unsolicited Non-serious AEs After Third Vaccination
Adverse events were defined as any untoward medical occurrence in a participant administered a pharmaceutical product regardless of its causal relationship to the study treatment. Non-serious AEs were collected from participants at follow up visits through approximately 21 days after each vaccination. Adverse events were MedDRA coded and are summarized by MedDRA System Organ Class (SOC).
Number of Participants Reporting of Medically-Attended Adverse Events (MAAEs), Including New-Onset Chronic Medical Conditions (NOCMCs) and Potentially Immune-Mediated Medical Conditions (PIMMCs)
Participants were queried at each visit for the occurrence of medically-attended adverse events (MAAEs), including new-onset chronic medical conditions (NOCMCs) and potentially immune-mediated medical conditions (PIMMCs) throughout the duration of the study.
Number of Participants Reporting Study Vaccine-related Unsolicited Non-serious AEs After First Vaccination
Adverse events were defined as any untoward medical occurrence in a participant administered a pharmaceutical product regardless of its causal relationship to the study treatment. Non-serious AEs were collected from participants at follow up visits through approximately 21 days after each vaccination. The site investigator determined vaccine related as "a reasonable possibility that the study product caused the AE. Reasonable possibility means that there is evidence to suggest a causal relationship between the study product and the AE." Adverse events were MedDRA coded and are summarized by MedDRA System Organ Class (SOC).
Number of Participants Reporting Study Vaccine-related Unsolicited Non-serious AEs After Second Vaccination
Adverse events were defined as any untoward medical occurrence in a participant administered a pharmaceutical product regardless of its causal relationship to the study treatment. Non-serious AEs were collected from participants at follow up visits through approximately 21 days after each vaccination. The site investigator determined vaccine related as "a reasonable possibility that the study product caused the AE. Reasonable possibility means that there is evidence to suggest a causal relationship between the study product and the AE." Adverse events were MedDRA coded and are summarized by MedDRA System Organ Class (SOC).
Number of Participants Reporting Study Vaccine-related Unsolicited Non-serious AEs After Third Vaccination
Adverse events were defined as any untoward medical occurrence in a participant administered a pharmaceutical product regardless of its causal relationship to the study treatment. Non-serious AEs were collected from participants at follow up visits through approximately 21 days after each vaccination. The site investigator determined vaccine related as "a reasonable possibility that the study product caused the AE. Reasonable possibility means that there is evidence to suggest a causal relationship between the study product and the AE." Adverse events were MedDRA coded and are summarized by MedDRA System Organ Class (SOC).
Percentage of Participants Achieving HAI Antibody Seroconversion Against the 2017 H7N9 Vaccine Strain After First H7N9 Vaccination
Blood was collected for HAI assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. Seroconversion was defined as HAI pre-vaccination titer <1:10 and post-vaccination titer 1:40 or greater, or pre-vaccination titer 1:10 or greater and min. 4-fold rise in post-vaccination antibody titer. 21 days after first dose of H7N9 is Day 22 for Group 1 and Day 43 for Group 2.
Percentage of Participants Achieving Neutralizing Antibody Seroconversion Against the 2017 H7N9 Vaccine Strain After First H7N9 Vaccination
Blood was collected for serum neutralizing antibody assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. Seroconversion was defined as a pre-vaccination titer <1:10 and post-vaccination titer 1:40 or greater, or pre-vaccination titer 1:10 or greater and min. 4-fold rise in post-vaccination antibody titer. 21 days after first dose of H7N9 is Day 22 for Group 1 and Day 43 for Group 2.
Percentage of Participants Achieving Serum HAI Antibody Titers of 1:40 or Greater Against the Influenza 2017 H7N9 Vaccine Strain at Baseline
Blood was collected for HAI assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result.
Percentage of Participants Achieving Serum HAI Antibody Titers of 1:40 or Greater Against the Influenza 2017 H7N9 Vaccine Strain After First H7N9 Vaccination
Blood was collected for serum neutralizing antibody assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. 21 days after first H7N9 vaccination was Day 22 for Group 1 and Day 43 for Group 2
Percentage of Participants Achieving Serum Neutralizing Antibody Titers of 1:40 or Greater Against the Influenza 2017 H7N9 Vaccine Strain at Baseline
Blood was collected for serum neutralizing antibody assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result.
Percentage of Participants Achieving Serum Neutralizing Antibody Titers of 1:40 or Greater Against the Influenza 2017 H7N9 Vaccine Strain After First H7N9 Vaccination
Blood was collected for serum neutralizing antibody assay at conducted with the H7N9 vaccine virus as the antigen. Each sample was tested at least twice per the laboratory's standard operating procedure, and the geometric mean of the replicate results was calculated as that sample's result. 21 days after first H7N9 vaccination was Day 22 for Group 1 and Day 43 for Group 2