Safety and Immunogenicity of the Dengue Virus Vaccine TV005 (TetraVax-DV TV005) in Healthy Adults, Adolescents, and Children in Dhaka, Bangladesh

Inclusion Criteria

• Healthy males or females (non-pregnant or lactating) between the ages of 12 months and 50 years at the time of enrollment into the study.
• Reside in Mirpur Wards 2, 3, or 5 (or other Wards within Mirpur as designated by the PI if needed to reach enrollment targets) at the time of screening.
• Study participants and/or their parents/guardians/legally acceptable or authorized representatives (LARs) who the Investigator believes can and will comply with the requirements of the protocol (e.g., return for follow-up visits).
• Good general health as determined by physical examination, laboratory screening, and review of medical history.
• If the participant is greater than or equal to 18 years of age, an informed consent form signed and dated by the study participant (and by an independent witness if required by local regulations). If the study participant is a minor, an assent form (for participants age 11-17 years) and informed consent form signed and dated by the participant's properly identified parent(s) or legally acceptable representative. If a participant is less than 11 years of age, the participant's parent(s) or legally acceptable representative will consent by signing the consent form for minor participants.
• If the participant is female, she must not be pregnant or planning to become pregnant up to 28 days post vaccination. Female participants under the age of 18 will be enrolled, if they have not yet reached menarche. Females 18 years of age or older, must be properly using a method of pregnancy prevention that is known to be highly effective per the PI. Reliable methods of contraception include: hormonal birth control, condoms with spermicide, diaphragm with spermicide, surgical sterilization, intrauterine device, and abstinence (greater than or equal to 6 months since last sexual encounter). For female study participants who are 18 years of age or older pregnancy testing will occur at screening and again before vaccination and they must have a negative pregnancy test prior to vaccination. Additionally, they will receive counselling on the importance of effective contraception during the 30 days prior to vaccination and continuing up to Day 28. Counselling will occur at their screening visit, on all clinic visit days up to Day 28. Female participants 18 years of age and older will be subject to pregnancy testing on the Study Day 28 and 56 visits. If female participants under the age of 18 that have not yet reached menarche prior to enrollment, reach menarche during the study, they will continue to be enrolled and followed-up through the entire three year follow-up period.

Exclusion Criteria

• Pregnant or lactating female or female planning to become pregnant within 28 days of receiving an investigational product or planning to discontinue abstinence or contraceptive precautions within 28 days of receiving an investigational product. Menstruating females under the age of 18 will be excluded from being enrolled.
• Acute or chronic, clinically significant pulmonary, cardiovascular, hepatic, renal, autoimmune, hematologic, or endocrine disease or functional defect, as determined by history, physical examination, or screening tests.
• History of any neurological, psychiatric, or behavioural disorder or seizures, with the exception of a single febrile seizure in childhood.
• Self-reported or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy such as anti-cancer chemotherapy or radiation therapy within the preceding 6 months, or long-term systemic corticosteroid therapy (prednisone or equivalent, greater than or equal to 0.5 mg/kg/day or 20 mg/day, for more than 2 consecutive weeks within the past 3 months). Inhaled and topical steroids are allowed.
• Having a height-for-age z-score (HAZ) or weight-for-age z-score (WAZ) of less than or equal to 3 for children under the age of two. Severe malnutrition as observed by the study physician for all study participa