eng Ansari Education and Research Society Journal of Ultra Scientist of Physical Sciences December 2009 21 3 659 664 jusps-A 1238 article Modified sis prey - predator model with mass incidence Bijendra Singh 1 Suman Jain 2 Atul Johri 3 School of studies in Mathematics, Vikram University, Ujjain M.P. (INDIA) Govt. College, Badnagar M.P. (INDIA) Department of Mathematics, MITM, Ujjain M.P. (INDIA) <p>Prey-Predator SIS model with Mass incidence and modified deaths has been analyzed. New threshold R<sub>1</sub> is identified. The stability criteria with different combinations are studied.</p> <p>&nbsp;</p> <p>&nbsp;</p> https://www.ultrascientist.org/paper/1238/ Prey Predator, Infectious Thresholds Stability.