Hantavirus Online is a real-time tracking website focused on the ongoing MV Hondius hantavirus outbreak. The site aggregates the latest news, confirmed cases, deaths, country-level spread, cruise ship updates, and public health responses into one easy-to-follow timeline. Users can monitor outbreak developments, read summaries from trusted sources such as WHO and Reuters, and understand how the virus is spreading across countries after passengers disembarked globally. The platform is designed to make a fast-moving public health event easier to understand without digging through dozens of news articles. The website also provides background information about hantavirus symptoms, transmission, incubation periods, and the specific concerns around the Andes strain linked to rare human-to-human transmission.