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The purpose of this study is to provide long-term follow-up immunogenicity and safety data on participants who were vaccinated with the second-generation smallpox vaccine in Study VVL04 (NCT 00258947).
Immunogenicity: To yearly describe the vaccinia antibody persistence up to 5 years post-vaccination.
Safety: To follow-up the long-term safety up to 5 years post-vaccination.
None of the participants in this study will receive any vaccination as part of the study. All participants will provide blood samples for immunogenicity testing at the 1, 2, 3, 4, and 5 year anniversaries of vaccination. Safety will be assessed for up to 5 years after vaccination, including follow-up of reactions that occurred during Study VVL04 (NCT 00258947).
Observational Model: Cohort, Time Perspective: Prospective
Enrolling by invitation
Published on BioPortfolio: 2014-08-27T03:18:33-0400
The purpose of this study is to examine the safety and the effectiveness of a new vaccine for the prevention of the disease, smallpox.
The currently available stock of smallpox vaccine would be insufficient in the face of an incident of smallpox attack. Thus, new manufacturing methods for smallpox vaccine are urgently nee...
The purpose of this study is to see how many people respond to a smallpox vaccine when a sore forms where the shot was given. The world was declared free of smallpox in 1980. General rou...
The currently available stock of smallpox vaccine would be insufficient in the face of an incident of smallpox attack. Thus, new manufacturing methods for smallpox vaccine is urgently need...
Primary Objective: To estimate the smallpox vaccination take rate in healthy young adults not previously vaccinated with a smallpox vaccine. Secondary Objectives: To describ...
Globally eradicated in 1980, smallpox is listed as a category A bioterrorism agent. If smallpox were to re-emerge, it may be due to an act of bioterrorism or a laboratory accident, and the impact is l...
Smallpox is regarded as an ancient and lethal disease of humans, however very little is known about the prevalence and impact of smallpox before the advent of vaccination (c.1800). Here we use evidenc...
In 2002, the United States implemented a new program for smallpox vaccinations among military personnel using a live vaccinia virus product. Approximately 2.4 million US military service members and h...
Tecovirimat (TPOXX) is an orthopoxvirus-specific antiviral drug developed by SIGA Technologies in conjunction with the US Department of Health and Human Services' Biomedical Advances Research and Deve...
Background Smallpox was declared eradicated in 1980, but variola virus (VARV), which causes smallpox, still exists. There is no known effective treatment for smallpox; therefore, tecovirimat is being ...
A live VACCINIA VIRUS vaccine of calf lymph or chick embryo origin, used for immunization against smallpox. It is now recommended only for laboratory workers exposed to smallpox virus. Certain countries continue to vaccinate those in the military service. Complications that result from smallpox vaccination include vaccinia, secondary bacterial infections, and encephalomyelitis. (Dorland, 28th ed)
An acute, highly contagious, often fatal infectious disease caused by an orthopoxvirus characterized by a biphasic febrile course and distinctive progressive skin eruptions. Vaccination has succeeded in eradicating smallpox worldwide. (Dorland, 28th ed)
A viral disease infecting PRIMATES and RODENTS. Its clinical presentation in humans is similar to SMALLPOX including FEVER; HEADACHE; COUGH; and a painful RASH. It is caused by MONKEYPOX VIRUS and is usually transmitted to humans through BITES or via contact with an animal's BLOOD. Interhuman transmission is relatively low (significantly less than smallpox).
The cutaneous and occasional systemic reactions associated with vaccination using smallpox (variola) vaccine.
Live vaccines prepared from microorganisms without their virulence altered. Examples include smallpox (vaccinia) and adenovirus vaccines.
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A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one ...