But,it usually finds more susceptible populations to infect among the people who did not get the disease in the first wave.

VOA: standard.2009.09.04

"and identify the most susceptible groups." Dr.Pessah says chemicals used commercially -- there are some 80,000 -- could affect a child's developing brain.

VOA: standard.2010.08.09

"Five percent of the Taliban is incorrigible, not susceptible to anything except being defeated.

VOA: standard.2009.03.11

Some climate scientists think the Australian continent is particularly susceptible to a shifting climate and predict a greater incidence of droughts, floods and storms as the Earth warms.

VOA: standard.2009.11.09

"The problem with resistance means that we might be facing a situation where our currently, mostly susceptible epidemic is replaced in a decade or two by mostly multi-drug resistant disease,".

VOA: standard.2009.12.09