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.
1 PSAT Scoring is reported on a scale of 20 to 80. 2  Selection Index. 3  National Percentiles which allow you to compare your scores with other students in your approximate/exact grade level. 4  Projection of what you might score on the SAT Test by taking PSAT score multiply by ten.SAT Test Scores Provide Four Results. 1  PSAT Scoring is reported on a scale of 20 to 80. 2  Selection Index. 3  National Percentiles which allow you to compare your scores with other students in your approximate/exact grade level.