P001

A One Health Approach to Investigating Leptospira in Aotearoa New Zealand

Natashja Haddow (New Zealand)

P004

Leptospira interrogans serogroup Djasiman isolated from a horse with uveitis in the U.S.

Camila Hamond (USA)

P008

Tracking Leptospirosis in mainland France: Insights from 2024 and 2025 Surveillance Data

Sofia Pombo (France)

P013

Human-to-human transmission of leptospirosis: Insights from a systematic review

Kaya Stollberg (Germany)

P020

Temporal and Demographic Patterns of Leptospirosis Hospitalizations in Sri Lanka: A Multi-District Analysis (2018–2021)

Manjula M Weerasekera (Sri Lanka)

P022

Detection of Leptospira in the Reproductive Tracts and Urine of Female Cull Cattle in Southeastern United States

Myranda Gorman (USA)

P026

Epidemiological and clinical profile of leptospirosis in the Tropical Archipelago of the Andaman & Nicobar Islands

Dr Dilpreet Chani (India)

P029

Environmental diversity of Leptospira spp. in Portugal: first isolation from water, soil and biofilms in the Lisbon region

Ana Armada (Portugal)

P030

Environmental surveillance of pathogenic Leptospira in urban water, soil and biofilms of the Jamor Valley (Lisbon, Portugal)

Ana Armada (Portugal)

P033

Species identification and lfb1-based genotyping of Leptospira-positive human and animal samples collected through passive surveillance at the Belgian Veterinary Reference Laboratory, 2013–2025

Marcella Mori (Belgium)

P037

Global Evaluation of Surveillance Leptospirosis Case Definitions

Ammar Yasir (USA)

P038

Genomic and ecological systems-thinking framework for pathogenic Leptospira in Puerto Rico

Ammar Yasir (USA)

P042

Environmental DNA metabarcoding reveals diverse pathogenic and intermediate Leptospira species in leptospirosis hotspots of Dakshina Kannada, coastal India

Archana Pal (India)

P049

Unraveling the Ecology of Rodent-Borne Leptospirosis in Urban Areas in Madagascar

Soanandrasana Rahelinirina (Madagascar)

P054

16 years of molecular surveillance of human leptospirosis reveal the emergence and spatial expansion of Leptospira borgpetersenii on Reunion Island

Diana Heaugwane* (Réunion, France)

P058

Whole Genome Analysis of Environmental Leptospira: A Systematic Review

Madushika Sewwandi (Sri Lanka)

P060

The Hidden Cost of Leptospirosis: Productivity loss and Household Income Impact in Rural Sri Lanka: A Follow-Up Study

Manojika Jayasinghe (Sri Lanka)

P063

ONE-LEP: One Health European Network for Leptospirosis and Rodent-Borne Threats

Gustavo Monti (Netherlands)

P077

Seroprevalence and molecular epidemiology of leptospira spp. infecting dogs in the Yangtze River region of China

Yue Ding (China)

P082

Detection Of Leptospira spp. in Biofilms Collected from Selected Areas within the University of the Philippines Manila Campus

Sharon Yvette Angelina M. Villanueva (Philippines)

P085

Accounting for Spatial Heterogeneity in Environmental Covariates in Regression Analyses of Leptospirosis Surveillance Data

Brent Strong (USA)

P086

Reforestation Impacts on Small Mammal Assemblage and Leptospira Prevalence at Gunung Tebu Forest Reserve, Terengganu

Nur Juliani Binti Shafie (Malaysia)

P043

Anti-Leptospira Seropositivity in Relation to Major Flood Events and Laboratory Characteristics: A Retrospective Study at Walailak University Hospital

Issara Prachongsai (Thailand)

P044

Molecular Detection and Isolation of Pathogenic Leptospira in Small Mammals within a Multi-Pathogen Surveillance Framework

Iva Benvin (Croatia)

P083

Comparative and Phylogenomic Analysis of prioritized Outer Membrane Proteins across Leptospira Genomes: Implications for Diagnostic and Vaccine Development

B Bhairavi

 (India)

P088

Expression and Purification of the Recombinant Leptospiral LigA Protein as a Potential Vaccine Candidate.

Nurul Farahana binti Ahmad Jefferi (Malaysia)

P031

Fatal Culture-Confirmed Melioidosis with Acute Leptospirosis in a Malaysian Rubber Tapper: A Diagnostic Challenge in Tropical Sepsis

Mohd Nadzuan Yahaya (Malaysia)

P002

Integrated Analysis of Plasma Biomarkers and microRNAs for Severe Pulmonary Hemorrhagic Syndrome in Leptospirosis

Janejira Dinhuzen (Thailand)

P016

Leptospira interrogans undecaprenyl phosphate glycosyltransferase (Rfe) is indispensable for O-polysaccharide biosynthesis.

Prattusha Khan (India)

P021

Distinct macrophage states and immune communication networks associated with clearance and persistence of Leptospira infection

Li-Fang Chou (Taiwan)

P023

Complement system activation in patients with leptospirosis-associated Pulmonary hemorrhagic syndrome

Milena Carvalho Carneiro (Brazil)

P024

From Cryptic to Functional Prophages: Regulation of Leptospira Biofilm Dynamics

Reetika Chaurasia (USA)

P025

Cytokine Imbalance and Th17 Pathway Activation in Severe Leptospirosis: Insights from a Sri Lankan Cohort

Kanchana Bandara (Sri Lanka)

P027

Leptospira in Equine Eyes: Implications for Recurrent Uveitis

Porsha Reed (USA)

P036

Clinical Series Investigation of Positive Canine Leptospirosis Cases

Myranda Gorman (USA)

P039

One Health insights into leptospirosis in New Caledonia: reservoirs, genotypes, environment and human disease

Roman Thibeaux (New Caledonia)

P046

Direct Multilocus Sequence Typing of Pathogenic Leptospires in Sri Lankan Patients Identifies Sequence Types Associated with Severe Disease

Wickramasinghe W.S.M (Sri Lanka)

P074

Development of a dual-format loop-mediated isothermal amplification assay for early detection of leptospirosis in Indonesia

Suwarti (Indonesia)

P076

Angelica sinensis polysaccharides enhance the production and bactericidal ability of macrophages for resisting leptospiral infection through the gut microbiota

Tianbao Lv (China)

P035

Duplex PCR-Based Detection of Leptospira Species and Pathogenic Strains in Environmental Waters of Brgy. NBBS Kaunlaran, Navotas City, Philippines

Shella Faye Mhari C. Guzman (Philippines)

P080

Rapid Diagnosis of Cattle-relevant Pathogenic Leptospira using a CRISPR-Cas12a-based Assay

Michaël Van Nimmen (Belgium)

P081

Humoral Immune Response of SWE-Adjuvanted Leptospira Outer Membrane Proteins and Peptides in Golden Syrian Hamsters.

Azyyati binti Mohd Padzil (Malaysia)

P003

Optimization and clinical validation of new and improved TaqMan Real-Time PCR assays for the detection of pathogenic Leptospira.

Camila Hamond (USA)

P006

Evaluation of a commercial rapid diagnostic test and ELISA using well-characterised sera from patients with acute undifferentiated fever in Uganda

Anou Dreyfus (Switzerland)

P007

Clinical Validation of the LEP-M Plus Rapid Test Using Clinical Specimens from Trang Hospital, Southern Thailand

Miss Sasiwan Suwansatit (Thailand)

P014

Biomarkers for Early Diagnosis and Prognosis of Leptospirosis Associated Pulmonary Hemorrhagic Syndrome: A Systematic Review

Nushka Lahiri Ubhayawardana (Sri Lanka)

P056

Serovars Contributing to Leptospirosis and Cross-Reactivity Profiles from a Reference Laboratory in Malaysia: A Proportional Allocation Analysis

Meruwan Amin Shoib (Malaysia)

P015

Leptospiral RfbA: A conserved gateway to O-polysaccharide biosynthesis and a potential therapeutic target

Prattusha Khan (India)

P089

When Fever Returns: Leptospiral Meningoencephalitis in a Young Adult Following Recreational Freshwater Exposure

Amiza Azmi (Malaysia)

P047

Clinical Spectrum and Laboratory Findings of Confirmed Leptospirosis patients: Experience from rural Sri Lanka

Anuruddhi Premalal (Sri Lanka)

P052

Clinico-epidemiological Profiling and External Validation of Clinical Prediction Models for Leptospirosis in Malaysia

Mahaa Nithyaah Velan (Malaysia)

P061

A Rare Neurological Manifestation of Paediatric Leptospirosis: Isolated Sixth Cranial Nerve Palsy

Safiah Abdullah (Malaysia)

P065

Extraction and Purification of Lipopolysaccharide from Leptospira interrogans serovar Hardjoprajitno Using the Hot Phenol-Water Method

Tay Bee Yong (Malaysia)

P066

Can cytopathic effect (cpe) predict Leptospira pathogenicity? A cell culture-based preliminary study

Siti Nur Zawani Rosli (Malaysia)

P068

Fulminant pulmonary leptospirosis: rapid progression to acute respiratory distress syndrome and therapeutic challenges

Chan Weng Kit (Malaysia)

P075

Bone marrow as a target organ of Leptospira interrogans infection

Ling Ling Gong (China)

P078

Leptospiral dissemination is restrained by liver macrophages through Clec4d-driven capture via C/EBPβ activation

Xi Chen (China)

P079

The evaluation of Thai-Lepto score in patients with severe leptospirosis in district hospitals of central Java

Lisa Novipuspitasari (Indonesia)

P072

Diagnostic utility and limitations of Leptospira IgM rapid test in a dengue-endemic apex hospital for infectious diseases in Manila, Philippines

Mark John Girasol (Philippines)

P051

Development of mRNA Vaccines Targeting LipL21 for Leptospirosis

Teerasit Techawiwattanaboon (Thailand)

P005

Evaluation of an RPA-CRISPR/Cas12a–Lateral Flow Detection Assay for Human Leptospirosis

Sasipha Tachaboon (Thailand)

P018

Analytical evaluation of Leptospira aptamers in a direct enzyme-linked aptamer assay

Marjo V. Mendoza (Philippines)

P028

Development of LigAc-mRNA vaccines for leptospirosis: Reducing glycosylation through sequence modification

Kanitha Patarakul (Thailand)

P048

Building an International Platform for Randomised Trials of Adjunctive Therapies in Leptospirosis: LEPTO-S trial

Chris Smith

(United Kingdom)

P053

Comparative Performance of Rapid Diagnostic Tests for Acute Leptospirosis: An Evaluation Against Microscopic Agglutination Test (MAT)

Sharifah Ummairah Zawawi Binti Syed Abdul Fattah (Malaysia)

P057

IfaTiterNet: Deep Ordinal Relation Learning for Automated Indirect Immunofluorescence Assay Titer Interpretation

Narisara Thamthaweechok (Thailand)

P059

Leptospira Genomic and Serological dataset - LEGS: a curated resource for characterization of leptospiral clade diversity and trait-associated genes

Priscyla dos Santos Ribeiro (Netherlands)

P062

Comparative evaluation of Ellinghausen-McCullough-Johnson-Harris semi-solid medium and Leptospira Vanaporn Wuthiekanun solid medium for long-term viability of Leptospirae

Dilrukshi Menike (Sri Lanka)

P067

Pre-analytical and specimen-related factors influencing molecular detection of Leptospira in human clinical specimens: a scoping review

Ts. Misbaha Binti Jilani (Malaysia)

P069

Identification of epitope-based vaccine peptides within pathogenic and intermediate Leptospira spp.

Yocyny Surendran (Malaysia)

P070

Exploratory evaluation of a colorimetric LipL32-LAMP assay for leptospirosis detection during a Jakarta outbreak, Indonesia

Yunita Windi Anggraini (Indonesia)

P071

Isolation and preliminary characterization of extracellular vesicles from pathogenic Leptospira for vaccine antigen development

Norliza Binti Bahtiar Affendy (Malaysia)

P073

Engineering Escherichia coli outer membrane vesicles for the presentation of the Leptospira LoA22 antigen

Nur Suhanawati Ashaari (Malaysia)

P084

Unrevealing Leptospira metabolism: Development and curation of a genomic-scale metabolic model for Leptospira kirschneri

Laura Daniela Martin-Lesmes (Colombia)