FMDwatch
FMD epidemiological intelligence for digital surveillance, exchange and communication of new disease threats.
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SEROTYPES BY YEAR
SAMPLES
Clinical samples are collected from suspected cases of FMD and reported by the WOAH/FAO FMD Laboratory Network. FMD positivity is performed using virological methods according to the WOAH Terrestrial Manual
Distribution of clinical samples collected over time and tested for FMD investigation (virology).
Serotyping characterisation of FMDV positive samples is undertaken using sequencing methods, antigen ELISA or lineage-specific real-time RT-PCRs [LINK]
Proportion of FMDV isolates characterised over time. UNTYPED denotes samples only FMDV positive using molecular methods.
Summary details of FMD data filtered using the map are shown in the table below. Full list of metadata associated to each sample can be downloaded in a .csv file format.
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SAMPLES
Clinical samples are collected from suspected cases of FMD and reported by the WOAH/FAO FMD Laboratory Network. FMD positivity is performed using virological methods according to the WOAH Terrestrial Manual
Distribution of clinical samples collected over time and tested for FMD investigation (virology)
VACCINE MATCHING
Vaccine matching analysis is achieved using a 2D version of the VNT. The 2D VNT characterises the antigenic relationship (using r1-values) between a field isolate and a vaccine strain, in order to estimate antigen/vaccine efficacy. The test calculates the neutralisation titres of the field isolate and the vaccine strain against the homologous vaccine strain’s bovine vaccinal sera. The antigenic relationship between the field virus and the vaccine virus is then defined as the ratio of the neutralising titre of the field virus to that of the vaccine virus. An r1-value ≥0.3 suggests that there is a close antigenic relationship between the field isolate and vaccine strain tested. A potent vaccine containing the vaccine strain is likely to confer protection
Distribution of the antigenic relationship (neutralisation titres or r1-values) between FMDV field isolates and FMD vaccine strains, as determined using 2D VNT
