Why did her husband not get infected ? movie contagion

According to the synopsis, the husband apparently had some form of genetic immunity; however, this wasn’t passed to the son, hence the reason he died.

The net force is 100

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.