The identifier does not appear to correspond to a widely recognized public fact, historical event, or standard product code in common web databases.

thailandensis. J Med Microbiol. 2000;49:993–1001. doi: 10.1099/0022-1317-49-11-993. [ DOI] [PubMed] [Google Scholar] Wiersinga WJ, pmc.ncbi.nlm.nih.gov

The format (decimal numbers separated by an underscore) is frequently used for high-precision Latitude and Longitude coordinates or map tile identifiers. For example, 49.115143717649.1151437176 44.115744.1157 could map to a specific geographic point.