Hantavirus Pulmonary Syndrome (HPS). Severe HPS. Image courtesy D. Loren Ketai, M.D. Hantavirus Pulmonary Syndrome (HPS) is a severe, sometimes fatal, respiratory disease in humans caused by infection with a hantavirus.Anyone who comes into contact with rodents that carry hantavirus is at risk of HPS. Rodent infestation in and around the home remains the primary risk for hantavirus exposure.antavirus Pulmonary Syndrome (HPS). Severe HPS. Image courtesy D. Loren Ketai, M.D. Hantavirus Pulmonary Syndrome (HPS) is a severe, sometimes fatal, respiratory disease in humans caused by infection with a hantavirus.
PSAT Scoring and Average Scores PSAT scores are reported on a scale that runs from 20 to 80, 20 being the lowest and 80 the highest. This is a parallel to the SAT, which scores between 200 and 800 on each test part.
All Levels: Scale of 760-940 for Verbal, Reading, Quantitative, and Math. SSAT percentile rank between 1-99%; rank based on student's performance as compared to the other students in the same grade and of the same gender who have taken the test within the past three years. Percentile Rank