Johan Míchiels
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View article: SquiDBase: a community resource of raw nanopore data from microbes
SquiDBase: a community resource of raw nanopore data from microbes Open
Experimental data-driven research relies on raw data, which consist of unprocessed experimental outputs, whereas derived data are transformed through a number of processing steps to reveal specific insights. Such processing, however, can p…
View article: Serological Evidence of Cryptic Rift Valley Fever Virus Transmission Among Humans and Livestock in Central Highlands of Kenya
Serological Evidence of Cryptic Rift Valley Fever Virus Transmission Among Humans and Livestock in Central Highlands of Kenya Open
Although the highlands of East Africa lack the geo-ecological landmarks of Rift Valley fever (RVF) disease hotspots to participate in cyclic RVF epidemics, they have recently reported growing numbers of small RVF clusters. Here, we investi…
View article: COVID-19 vaccine responses are influenced by distinct risk factors in naive and SARS-CoV-2 experienced hemodialysis recipients
COVID-19 vaccine responses are influenced by distinct risk factors in naive and SARS-CoV-2 experienced hemodialysis recipients Open
View article: Hybrid Immunity Overcomes Defective Immune Response to COVID-19 Vaccination in Kidney Transplant Recipients
Hybrid Immunity Overcomes Defective Immune Response to COVID-19 Vaccination in Kidney Transplant Recipients Open
View article: Presymptomatic viral shedding in high‐risk mpox contacts: A prospective cohort study
Presymptomatic viral shedding in high‐risk mpox contacts: A prospective cohort study Open
The risk of infection after exposure to clade IIb mpox virus (MPXV) is unknown, and potential presymptomatic shedding of MPXV remains to be demonstrated. High‐risk contacts of mpox patients were followed‐up in a prospective longitudinal co…
View article: Five accelerated schedules for the tick-borne encephalitis vaccine FSME-Immun® in last-minute travellers: an open-label, single-centre, randomized controlled pilot trial
Five accelerated schedules for the tick-borne encephalitis vaccine FSME-Immun® in last-minute travellers: an open-label, single-centre, randomized controlled pilot trial Open
Background The purpose of this exploratory study was to evaluate different accelerated tick-borne encephalitis (TBE) vaccine schedules for last-minute travellers. Methods In a single-centre, open-label pilot study, 77 TBE-naïve Belgian sol…
View article: Third dose of COVID-19 mRNA vaccine closes the gap in immune response between naïve nursing home residents and healthy adults
Third dose of COVID-19 mRNA vaccine closes the gap in immune response between naïve nursing home residents and healthy adults Open
View article: Validation of a Reporter Cell Line for Flavivirus Inhibition Assays
Validation of a Reporter Cell Line for Flavivirus Inhibition Assays Open
The Hec1a-IFNB-Luc reporter cell line allows the detection of all 10 flaviviruses tested, including the 4 dengue virus serotypes. Its use for serodiagnostic purposes, measuring neutralizing antibody activity in sera, and the assessment of …
View article: Humoral and cellular immune correlates of protection against COVID-19 in kidney transplant recipients
Humoral and cellular immune correlates of protection against COVID-19 in kidney transplant recipients Open
View article: Alternative sampling specimens for the molecular detection of mpox (formerly monkeypox) virus
Alternative sampling specimens for the molecular detection of mpox (formerly monkeypox) virus Open
View article: Safety and immunogenicity of a reduced dose of the BNT162b2 mRNA COVID-19 vaccine (REDU-VAC): A single blind, randomized, non-inferiority trial
Safety and immunogenicity of a reduced dose of the BNT162b2 mRNA COVID-19 vaccine (REDU-VAC): A single blind, randomized, non-inferiority trial Open
Fractional dosing of COVID-19 vaccines could accelerate vaccination rates in low-income countries. Dose-finding studies of the mRNA vaccine BNT162b2 (Pfizer-BioNTech) suggest that a fractional dose induces comparable antibody responses to …
View article: Severe mpox (formerly monkeypox) disease in five patients after recent vaccination with MVA-BN vaccine, Belgium, July to October 2022
Severe mpox (formerly monkeypox) disease in five patients after recent vaccination with MVA-BN vaccine, Belgium, July to October 2022 Open
Vaccination is important in containing the 2022 mpox (formerly monkeypox) epidemic. We describe five Belgian patients with localised severe symptoms of proctitis and penile oedema, occurring between 4 and 35 days after post-exposure preven…
View article: Pre- and asymptomatic viral shedding in high-risk contacts of monkeypox cases: a prospective cohort study
Pre- and asymptomatic viral shedding in high-risk contacts of monkeypox cases: a prospective cohort study Open
A bstract Epidemiological data suggest that clade IIb monkeypox virus (MPXV) is readily transmitted during sexual contact, even before symptom onset. However, presymptomatic shedding of MPXV remains to be demonstrated. Here, we prospective…
View article: Humoral and cellular immune correlates of protection against COVID-19 in kidney transplant recipients
Humoral and cellular immune correlates of protection against COVID-19 in kidney transplant recipients Open
As solid organ recipients are at high risk of severe COVID-19 and respond poorly to primary SARS-CoV-2 mRNA vaccination, they have been prioritized for booster vaccination. However, an immunological correlate of protection has not been ide…
View article: Retrospective detection of asymptomatic monkeypox virus infections among male sexual health clinic attendees in Belgium
Retrospective detection of asymptomatic monkeypox virus infections among male sexual health clinic attendees in Belgium Open
View article: A dual-antigen self-amplifying RNA SARS-CoV-2 vaccine induces potent humoral and cellular immune responses and protects against SARS-CoV-2 variants through T cell-mediated immunity
A dual-antigen self-amplifying RNA SARS-CoV-2 vaccine induces potent humoral and cellular immune responses and protects against SARS-CoV-2 variants through T cell-mediated immunity Open
View article: Safety and immunogenicity of a reduced dose of the BNT162b2 mRNA COVID-19 vaccine (REDU-VAC): a single blind, randomized, non-inferiority trial
Safety and immunogenicity of a reduced dose of the BNT162b2 mRNA COVID-19 vaccine (REDU-VAC): a single blind, randomized, non-inferiority trial Open
1 Abstract Background The use of fractional dose regimens of COVID-19 vaccines has the potential to accelerate vaccination rates in low-income countries. Dose-finding studies of the mRNA vaccine BNT162b2 (Pfizer-BioNTech) have suggested th…
View article: Three doses of BNT162b2 vaccine confer neutralising antibody capacity against the SARS-CoV-2 Omicron variant
Three doses of BNT162b2 vaccine confer neutralising antibody capacity against the SARS-CoV-2 Omicron variant Open
View article: Antibody response against SARS-CoV-2 Delta and Omicron variants after third-dose BNT162b2 vaccination in allo-HCT recipients
Antibody response against SARS-CoV-2 Delta and Omicron variants after third-dose BNT162b2 vaccination in allo-HCT recipients Open
View article: Asymptomatic Monkeypox Virus Infections Among Male Sexual Health Clinic Attendees in Belgium
Asymptomatic Monkeypox Virus Infections Among Male Sexual Health Clinic Attendees in Belgium Open
View article: Three doses of the BNT162b2 vaccine confer neutralising antibody capacity against the SARS-CoV-2 B.1.1.529 (Omicron) variant of concern
Three doses of the BNT162b2 vaccine confer neutralising antibody capacity against the SARS-CoV-2 B.1.1.529 (Omicron) variant of concern Open
We report the levels of neutralising antibodies against Wuhan, Delta and Omicron variants in healthy individuals pre-infected or not with SARS-CoV-2 and immunized with three doses of the BNT162b2 vaccine. Our observations support the rapid…
View article: Poor Antibody Response to BioNTech/Pfizer Coronavirus Disease 2019 Vaccination in Severe Acute Respiratory Syndrome Coronavirus 2–Naive Residents of Nursing Homes
Poor Antibody Response to BioNTech/Pfizer Coronavirus Disease 2019 Vaccination in Severe Acute Respiratory Syndrome Coronavirus 2–Naive Residents of Nursing Homes Open
Background Residents of nursing homes (NHs) are at high risk of coronavirus disease 2019 (COVID-19)–related disease and death and may respond poorly to vaccination because of old age and frequent comorbid conditions. Methods Seventy-eight …
View article: Predictors of neutralizing antibody response to BNT162b2 vaccination in allogeneic hematopoietic stem cell transplant recipients
Predictors of neutralizing antibody response to BNT162b2 vaccination in allogeneic hematopoietic stem cell transplant recipients Open
View article: A dynamic mucin mRNA signature associates with COVID-19 disease presentation and severity
A dynamic mucin mRNA signature associates with COVID-19 disease presentation and severity Open
BACKGROUNDSARS-CoV-2 infection induces mucin overexpression, further promoting disease. Given that mucins are critical components of innate immunity, unraveling their expression profiles that dictate the course of disease could greatly enh…
View article: Dynamics of the Magnitude, Breadth and Depth of the Antibody Response at Epitope Level Following Dengue Infection
Dynamics of the Magnitude, Breadth and Depth of the Antibody Response at Epitope Level Following Dengue Infection Open
Dengue is a major public health problem in tropical and sub-tropical regions worldwide. Since the Zika epidemic and the increased co-circulation of other arboviruses, the serology-based diagnosis of dengue has become more problematic due t…
View article: Evaluation of a surrogate virus neutralization test for high-throughput serosurveillance of SARS-CoV-2
Evaluation of a surrogate virus neutralization test for high-throughput serosurveillance of SARS-CoV-2 Open
View article: Poor antibody response to BioNTech/Pfizer COVID-19 vaccination in SARS-CoV-2 naïve residents of nursing homes
Poor antibody response to BioNTech/Pfizer COVID-19 vaccination in SARS-CoV-2 naïve residents of nursing homes Open
Background Residents of nursing homes (NH) are at high risk of COVID-19 related morbidity and death and may respond poorly to vaccination because of old age and frequent comorbidities. Methods Forty residents and forty staff members either…
View article: Evaluation of a surrogate virus neutralization test for high-throughput serosurveillance of SARS-CoV-2
Evaluation of a surrogate virus neutralization test for high-throughput serosurveillance of SARS-CoV-2 Open
High-throughput serological tests that can detect neutralizing antibodies against SARS-CoV-2 are desirable for serosurveillance and vaccine efficacy evaluation. Although the conventional neutralization test (cVNT) remains the gold standard…
View article: Evaluating SARS-CoV-2 spike and nucleocapsid proteins as targets for antibody detection in severe and mild COVID-19 cases using a Luminex bead-based assay
Evaluating SARS-CoV-2 spike and nucleocapsid proteins as targets for antibody detection in severe and mild COVID-19 cases using a Luminex bead-based assay Open
Large-scale serosurveillance of severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) will only be possible if serological tests are sufficiently reliable, rapid and affordable. Many assays are either labour-intensive and requi…
View article: Evaluating SARS-CoV-2 spike and nucleocapsid proteins as targets for IgG antibody detection in severe and mild COVID-19 cases using a Luminex bead-based assay
Evaluating SARS-CoV-2 spike and nucleocapsid proteins as targets for IgG antibody detection in severe and mild COVID-19 cases using a Luminex bead-based assay Open
Large-scale serosurveillance of severe acute respiratory syndrome coronavirus type 2 (SARS- CoV-2) will only be possible if serological tests are sufficiently reliable, rapid and inexpensive. Current assays are either labour-intensive and …