We like to use words like contagiousness and infectiousness just to apply to the medical realm. (bookbrowse.com)
Unlike previous models that randomly inserted the mutations into the genome, occasionally increasing PrP expression, Jackson's models faithfully mimic the human disease — from as to disease onset, to PrP production, to infectiousness. (sciencedaily.com)
Previous research had found that a protein found in the male genital tract (prostatic acid phosphatase) can boost HIV's infectiousness by 50 to 100,000 times. (scientificamerican.com)