Please select the eligibility criteria that correspond to the clinical trial below.
Title: Evaluation of Safety and Reactogenicity of FluBlok, Trivalent Recombinant Influenza Vaccine, and Comparison of the Immunogenicity, Efficacy and Effectiveness of FluBlok to a Licensed Egg-Grown Influenza Vaccine in Adults Aged 50 to 64
Brief Summary: The purpose of this study was to evaluate and compare the safety, reactogenicity, immunogenicity, relative efficacy and effectiveness of FluBlok to a licensed trivalent influenza vaccine (TIV)in healthy adults age 50-64 years.


Options:
A: Inclusion Criteria:

* Adults aged 50 to 64.
* Females should be at least 2 years post-menopausal or sterile or practicing accepted form of birth control (including: condom with spermicidal, licensed hormonal contraceptive, abstinence, IUD or monogamous relationship with a vasectomized partner).
* Healthy, as determined by oral temperature \<100.0°F, medical history, and medical assessment w/ brief physical evaluation by RN (if indicated) based on medical history.
* Able to understand and comply with planned study procedures.
* Provides written informed consent prior to initiation of any study procedure.

Exclusion Criteria:

* Known allergy to eggs or other vaccine components.
* Immunosuppression as a result of an underlying illness or treatment, or used anticancer chemotherapy or radiation therapy within the preceding 36 months.
* Any malignancy other than localized prostate cancer, diagnosed or treated actively during the past 5 years. Exceptions: Subjects with a history of lymphoproliferative disorder at any time in their life will be excluded, while subjects with a history of localized nonmelanotic skin cancer that has been completely removed during the past 5 years may be eligible.
* Long-term use of oral steroids, parenteral steroids, or high-dose inhaled steroids (\>800 mcg/day of beclomethasone dipropionate or equivalent) within the preceding 6 months (Nasal and topical steroids are allowed).
* Diagnosis of or treatment for bipolar disorder, severe major depression, schizophrenia or other major psychotic disorder in the past 3 months that is associated with severely impaired judgment or cognition.
* History of receiving immunoglobulin or other blood product within the 3 months prior to enrollment in this study.
* Receipt of any other licensed vaccines within 2 weeks (for inactivated vaccines) or 4 weeks (for live vaccines) prior to enrollment in this study.
* Use of experimental vaccines or any influenza vaccine other than FluBlOk after May 31st 2007 for the 2008 Southern Hemisphere or 2007 to 2008 Northern hemisphere epidemic seasons.
* History of severe reactions following immunization with influenza virus vaccines.
* Moderate to severe acute illness or febrile illness (oral temperature greater than 100degreesF) within 1 week prior to vaccination.
* Receipt of an experimental agent (vaccine, drug, biologic, device, blood product or medication) within 1 month prior to enrollment in this study, or expects to receive an experimental agent during study period.
* Known active human immunodeficiency virus, hepatitis B, or hepatitis C infection.
* History of alcohol or drug abuse in the last 5 years.
* History of Guillain-Barré Syndrome.
* Subject is not available for three (3) or more consecutive weeks during active influenza season.
* Any acute or chronic medical condition that, in the opinion of the investigator, would render vaccination unsafe, interfere with the evaluation of responses, or render the subject unable to meet the requirements of the protocol. These conditions include, but are not limited to: history of significant renal impairment (dialysis and treatment for kidney disease, including diabetic and hypertensive kidney disease); subjects with diabetes mellitus, well-controlled with oral agents may enroll as long there has been no dosage increase within the past 6 months; insulin-dependent diabetes is excluded; cardiac insufficiency, if heart failure is present (New York Heart Association Functional Class III or IV); an arteriosclerotic event during the 6 months prior to enrollment (e.g., history of myocardial infarction, stroke, recanalization of femoral arteries, or transient ischemic attack)
B: Inclusion Criteria:

* Healthy males and females aged ≥ 18 to \< 65 years at the time of vaccination
* Non pregnant/ non lactating females

Exclusion Criteria:

* Hypersensitivity to influenza vaccine or allergy to any components of the Study Vaccines
* Vaccination against influenza in the previous 6 months
* Acute clinically significant pulmonary, cardiovascular, hepatic or renal functional abnormality
* Known history of Guillain-Barré Syndrome;
* Clinical signs of active infection and/or an oral temperature of ≥ 37.8 oC.
* History of neurological disorders or seizures
* Confirmed or suspected immunosuppressive condition or a previously diagnosed immunodeficiency disorder
* Current or recent immunosuppressive or immunomodulative therapy, including systemic corticosteroids
* Administration of immunoglobulins and/or any blood products;
* Participation in a clinical trial or use of an investigational compound;
* Vaccination with a registered vaccine within 14 days (for inactivated vaccines) or 28 days (for live vaccines) prior;
* Participants indicated to receive an influenza vaccine on an annual basis according to the local public health recommendations.
C: Inclusion Criteria:

* Subjects resident in Emilia-Romagna and either registered with the AUSL of Reggio Emilia, Bologna, Modena and Parma or working in the province of Reggio Emilia, Bologna, Modena and Parma included in the target groups described in the Study Protocol vaccination with H1N1sw vaccine Focetria is recommended - according to the national pandemic plan adopted at the local level - will be eligible for enrolment.

Exclusion Criteria:

* Subjects already vaccinated with another pandemic vaccine or with known contraindications to Focetria, will be excluded from this study.
* Patients institutionalized in Hospital, Nursing Homes, Rehabilitation Centers, as well as home-cared patients, will also be excluded.
D: Inclusion Criteria:

* Male or female aged 18 - 49 years inclusive
* Give written informed consent to participate.
* Healthy, as determined by medical history, physical examination, vital signs, and clinical safety laboratory examinations
* Females should willing to use another reliable form of contraception approved by the Investigator and a negative urine pregnancy test within 24 hours preceding receipt of vaccination
* Comprehension of the study requirements, expressed availability for the required study period, and ability to attend scheduled visits.

Exclusion Criteria:

* Presence of significant uncontrolled medical or psychiatric illness (acute or chronic). This includes institution of new medical or surgical treatment, or a significant dose alteration for uncontrolled symptoms or drug toxicity within 3 months of screening and reconfirmed on Day 0 prior to vaccination.
* Positive serology for HIV-1 or HIV-2, or HBsAg or HCV antibodies.
* Cancer, or treatment for cancer, within 3 years. (Persons with a history of cancer who are disease-free without treatment for 3 years or more are eligible), excluding basal cell carcinoma (BCC) or squamous cell carcinoma (SCC) which is allowed, unless at vaccination site.
* Impaired immune responsiveness (of any cause), including diabetes mellitus.
* Documented influenza infection with a positive culture in the 6 months prior to screening.
* Presently receiving or history of receiving any medications or treatments that affects the immune system such as allergy shots, immune globulin, interferon, immunomodulators, cytotoxic drugs or drugs known to be frequently associated with significant major organ toxicity, or systemic corticosteroids (oral or injectable) in the past 6 months prior to screening. Inhaled and topical corticosteroids will be allowed.
* Receipt or planned administration of a nonstudy vaccine within 30 days prior to vaccination and during the study, including licensed influenza vaccines. Immunization on an emergency basis with Tetanus Toxoid Adsorbed for adult use (Td or Tdap) up to 8 days before or at least 8 days after a dose of study vaccine will be allowed. Administration of study vaccine injection can be delayed if a nonstudy vaccine has been administered and will be given as soon as acceptable, as described above, provided the vaccine is not administered within two weeks prior to study enrollment.
* History of anaphylactic type reaction to injected vaccines.
* History of drug or chemical abuse in the year before the study.
* Receipt of any investigational product or nonregistered drug within the 30 days prior to vaccination or currently enrolled in any investigational drug study or intends to enroll in such a study within the ensuing study period.
* Receipt of blood or blood products 8 weeks prior to vaccination or planned administration during the study period.
* Donation of blood or blood products within 8 weeks prior to vaccination or at any time during the study.
* Acute disease within 72 hours prior to vaccination, defined as the presence of a moderate or severe illness (as determined by the investigator through medical history and physical examination; for example, those requiring an absence from work) with or without fever, or a fever \>37.9ºC orally. Study vaccine can be administered to persons with a minor illness, such as diarrhea, or mild upper respiratory tract infection with or without low-grade febrile illness. Vaccination can be delayed until the subject has recovered.
* Any condition that, in the opinion of the investigator, might interfere with study objectives

Answer: A