(I'm practicing translation by translate some random texts from electronic newspapers. If there is any mistake I would appreciate that you could correct me. All the corrections and advice are welcome. Thank you)

Hantavirus pneumonia: why in some cases it could be deadly
The disease produces in the country more than 100 cases per year and even though the long-tailed colilargo is the principal vector for the virus, the outbreak that develops in the south presented the particularity of person-to-person transmission. In the most serious cases, the lack of oxygenation and the circulatory collapse put in danger the patient life.
(Source: infobae)