No, the last big outbreak was 2.1...
Here, check out an actual source:
In the 2018–2019 Epuyén outbreak, 34 confirmed cases were linked to one index case, with transmission apparently amplified by symptomatic individuals attending >crowded social events, followed by subsequent close-contact transmissions. Epidemiological analysis estimated >an initial median reproductive number of approximately 2.1 before control measures were implemented, >decreasing after isolation, quarantine and active contact tracing.
https://zenodo.org/records/20112944
But hey, maybe you just know more than who release that statement...
Let's see, that was the checks notes, International Hantavirus Society
Do you believe you know more about Hantavirus than the International Hantavirus Society?
Do you know we have asymptomatic carriers now too?