Clinical trials: Seroprevalence
SARS-CoV-2 Infection, Volunteers
Police COVID-19 Serosurvey
The investigators aim to determine the immune status of the employees of the cantonal police of Bern against SARS-CoV-2 over a period of 1 year, and to investigate the risk profile of the study participants and their risk of…
- Conditions
- SARS-CoV-2 Infection, Volunteers, Healthy
- Trial name
- PoliCOV (NCT04643444)
- Testing
- Blood sampling, Online Questionnaire
- Where
- Switzerland
- Volunteers
- 1,024 people, healthy volunteers welcome
- Sponsor
- University of Bern
Covid19
Monitoring of COVID-19 Seroprevalence Among GHdC Staff Members
Grand Hôpital de Charleroi (GHdC) had to organize the vaccination of its staff in December 2021 against SARS-CoV-2.On the sidelines of this vaccination campaign, the management committee agreed to document the knowledge of the…
- Trial name
- NCT04813497
- Testing
- Serology to determine SARS-CoV-2 infection
- Where
- Belgium
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Grand Hôpital de Charleroi
Covid-19, Coronavirus Infection
ARMOR Study: COVID-19 Seroprevalence Among Healthcare Workers
The novel coronavirus (SARS-CoV-2) has spread all around the world and testing has posed a challenge globally. Health care providers are highly exposed and are an important group to test.
- Conditions
- Covid-19, Coronavirus Infection, Coronavirus
- Trial name
- NCT04367857
- Testing
- COVID-19 Serology, Health Care Worker Survey
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Columbia University
Coronavirus Infection, Prevalence
Epidemiological Study of Seroprevalence Against the SARS-CoV-2 Virus (COVID-19)
In order to inform the public decision on the containment strategy and knowledge of the intensity of the epidemic during post-containment, estimates of the share of the population infected with the SARS-CoV-2 virus responsible…
- Trial name
- COVAL-NANCY (NCT04448769)
- Testing
- Anti-SARS-CoV-2 IgT seropositivity
- Where
- France
- Volunteers
- 2,006 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Hepatitis B, Immune Response
Seroprevalence of Hepatitis B and Immune Response to Hepatitis B Vaccination in Chinese College Students
At present, children less than 15 y of age have been regarded as a key group for hepatitis B immunization in China. However, there is not yet special immunization strategy for population above 15 y of age.
- Conditions
- Hepatitis B, Immune Response, Seroprevalence
- Trial name
- NCT01861613
- Testing
- HBV vaccine (Engerix-B, recombinant hepatitis B surface antigen, 20µg/mL/vial, GlaxoSmithKline, Belgium)
- Where
- China
- Volunteers
- 2,040 people, healthy volunteers welcome
- Sponsor
- Hui Zhuang
Hepatitis B
Seroprevalence of Hepatitis B Infection and Effect of Booster Response Amongst Taiwanese Young Adults
The aim of this study is to observe and evaluate initiate serum anti-HBs titers during entrance health examination among undergraduate freshmen in a university who showed a complete 4-dose HBV vaccination in infancy and whose…
- Trial name
- NCT00702663
- Where
- Taiwan
- Volunteers
- 1,800 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
q Fever
Study on Seroprevalence and Risk Factors of Coxiella Burnetii (Q Fever) in the South of Reunion Island
Emergent and infectious diseases are a public health priority on Reunion Island. Amongst public health threats, the infection due to Coxiella burnetii (Q fever) seems to have appeared on Reunion island in 2007 with two…
- Trial name
- E-Q-RUN (NCT02898402)
- Testing
- blood sample and questionnaire
- Volunteers
- 3,500 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Réunion
SARS-CoV-2, Covid19
SARS-COV-2 Seroprevalence and Seroconversion Among Employees of the UZ Brussel Following COVID-19 Vaccination Using an Adenoviral Vector
A novel zoonotic coronavirus was discovered in Wuhan (Hubei Province, China) mid-December 2019 and was named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
- Trial name
- NCT04939402
- Testing
- Serological testing
- Where
- Belgium
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
HIV
MMR Vaccination Among HIV-infected Adults
This is a prevalence study of protective antibodies to measles, mumps, and rubella (MMR) in HIV-infected adults and HIV-uninfected controls.
- Trial name
- NCT02724852
- Testing
- 0.5 ml of MMR vaccine
- Where
- Thailand
- Volunteers
- 632 people, healthy volunteers welcome
- Sponsor
- Chiang Mai University
SARS-CoV 2, COVID-19
COVID-19: Longitudinal Study of Seroprevalence of SARS-CoV-2 Antibodies and Development of Immunity in School Children
There is a lack of knowledge about how many children are infected with SARS-CoV-2, how often they are asymptomatic, and how long the immunity persists.
- Trial name
- CiaoCorona (NCT04448717)
- Testing
- COVID-19 Antibody testing
- Where
- Switzerland
- Volunteers
- 4,250 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Coronavirus Infection, Severe Acute Respiratory Syndrome
COVID-19 Seroprevalence Study in French Guiana
Serological surveys measuring anti-severe acute respiratory syndrome coronavirus 2 (anti-SARS-CoV-2) antibodies in the population to assess the extent of the infection and the COVID-19 immunity of the population in French Guiana.
- Conditions
- Coronavirus Infection, Severe Acute Respiratory Syndrome, SARS-CoV Infection, Covid19
- Trial name
- EPI-COVID-POP (NCT04490850)
- Testing
- Blood sample
- Where
- 5 sites in French Guiana
- Volunteers
- 3,541 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Covid19
Sustained Immunity to COVID-19 as Measured by SARS-CoV-2 Serology Assays
The primary objective is to assess the ability of COVID-19 IgG and IgM assays to detect an immune response in COVID-19 patients in the Henry Ford Health System (HFHS), both during hospitalization and over the following 12 months.
- Trial name
- NCT04562285
- Testing
- Serologic immunoassays to SARS-CoV-2 antibodies
- Where
- United States
- Volunteers
- 829 people, healthy volunteers welcome
- Sponsor
- Henry Ford Health System
Hepatitis A
What is the Anti-HAV Seroprevalence of Travelers >60 Years or Having Lived in a Tropical Country for >5 Years
Study to determine the proportion of travelers over the age of 60 years and travelers having lived in a tropical country for more than 5 years with anti-HAV antibodies. This will be done through a blood test.
- Trial name
- AHAV (NCT04638335)
- Testing
- Blood test
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Lausanne Hospitals
Blood Donors, Dengue
Dengue Seroprevalence Study in Blood Donors in the French West Indies
Dengue is an infectious disease most prevalent in the world. This disease is endemic in the Caribbean, with an increase in seasonal rains.
- Trial name
- DengSeroprevAn (NCT01104740)
- Testing
- Biological sample collection
- Where
- 2 sites in Guadeloupe, Martinique
- Volunteers
- 817 people, healthy volunteers welcome
- Sponsor
- Etablissement Français du Sang, Martinique
COVID 19
COVID 19 Seroprevalence Amongst Healthcare Workers in JHAH
Healthcare workers play a critical role in fighting the pandemic, not only by managing the patients' health clinically, but also by implementing adequate measures for infection prevention and control in healthcare facilities.
- Trial name
- NCT04469647
- Testing
- Serology Test
- Where
- Saudi Arabia
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Aramco Healthcare
Hepatitis E
Exposure to Hepatitis E Virus in Occitania, France
The objective of the proposed work is to determine the seroprevalence of HEV in 2023 in a population of blood donors living in Occitania. Compare the current frequency of anti-HEV IgG and IgM markers with that of 2011.
- Trial name
- EVE (NCT06137313)
- Testing
- questionnaire
- Where
- France
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Coronavirus, Coronavirus Infection
COVID-19 Infection and Transmission in Exposed, Confined and Community-based Infants
According to epidemiological models, the seroprevalence of SARS-CoV-2 infection in Île-de-France as of 11 May was between 10 and 15%.
- Conditions
- Coronavirus, Coronavirus Infection, Covid19, Sars-CoV2
- Trial name
- COVIDOCRECHE (NCT04413968)
- Testing
- Rapid detection test, Nasopharyngeal swab, Stool collection
- Where
- 11 sites in France
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Coronavirus Infections
Seroprevalence of MERS-CoV IgG in Healthcare Workers
The investigators aim to do serosurvey of healthcare-personnel who had participated in treatment of confirmed patients of Middle-East respiratory syndrome.
- Trial name
- NCT02497885
- Where
- South Korea
- Volunteers
- 737 people, healthy volunteers welcome
- Sponsor
- Ewha Womans University Mokdong Hospital
Dengue Fever, Fever
Study of Febrile Illness for Dengue-Endemic Areas in Latin America
The purpose of this study is to detect acute febrile episodes and dengue infection in five Latin American countries to assess dengue seroprevalence.
- Trial name
- NCT01293331
- Where
- 18 sites in Brazil, Colombia and 2 more
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Sanofi
Hepatitis C, Pregnancy
Screening for Hepatitis C During Pregnancy at a Toronto Inner City Prenatal Clinic
The first part of this study will investigate the incidence of Hepatitis C in pregnant women attending an inner city health clinic in downtown Toronto.
- Trial name
- NCT00348660
- Where
- Canada
- Volunteers
- 653 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto