I think u can't buy the insurance "Critical illness" by this time coz she had the illness record -肺炎. If I were u, will hire another one immediately. Don't wait any longer, thinking u hire maid to care the baby or child, if maid sick seriously like that, means u need to care her but she can't do anything. In order to prevent any discrepancy, give her a beautiful reason & let her go la, otherwise $$ for illness will be more than XXXXXX, noboby knows