Close and ordinary social contacts: How important are they in promoting large-scale contagion?

Mathematics

• Contagion 100%
• Contact 57%
• Heterogeneous Networks 21%
• Random Networks 17%
• Phase Transition 9%
• First-order Phase Transition 7%
• Social Behavior 7%
• Reinforcement 5%
• Social Sciences 5%
• Coexistence 4%
• Numerical Computation 4%
• Propagation 4%
• Economics 4%
• Entire 3%
• Path 3%
• Necessary 3%
• Framework 2%
• Family 2%
• Model 1%

Medicine & Life Sciences

• Phase Transition 64%
• Disease Outbreaks 60%
• Social Reinforcement 28%
• Social Sciences 20%
• Social Behavior 19%
• Epidemics 14%
• Economics 13%

Physics & Astronomy

• thresholds 23%
• economics 10%
• reinforcement 10%
• encounters 10%
• propagation 5%