Whether in the absolute or relative amount , the rural aged population in middle and western china is in the majority . they depend on the family to provide them the support , but family support for the elderly is weakened by several reasons 中西部农村老年人口无论从绝对数量上还是相对数量上都占多数，他们的养老大都依赖家庭，但是家庭养老却因种种原因而出现了弱化的趋势。
Because person is safe , the contract that insurance premium pays in installment in the contract is long - term contract more , policy - holder may not be restricted according to conventional period because of a variety of reasons , insurance premium still did not pay inside wide deadline of 60 days when set in insurance law even 由于人身保险合同中分期支付保险费的合同多是长期合同，投保人可能会因种种原因没有按照约定期限，甚至在保险法规定的60日的宽限期内仍未支付保险费。
But , more than 24 hours of inject are vaccinal , want to be before vaccinal become effective only , namely before vaccinal and exciting airframe produces enough immune power , the person has not come on , vaccine can develop effectiveness , already counted day of a few months to exposing and because of a variety of reasons all the time not vaccinal the person of wild dog vaccine , want to be able to receive vaccine only , filling injection also gives as soon as possible like the person that ying yugang is exposed , strive for grab vaccine lets effective before come on , at this moment , before stitch or the vaccinal dosage of before two needles ought to double 但是，超过24小时注射疫苗，只要在疫苗生效前，也就是疫苗刺激机体产生足够的免疫力之前人还没有发病，疫苗就可以发挥效用，对暴露已数日数月而因种种原因一直未接种狂犬疫苗的人，只要能得到疫苗，也应与刚遭暴露者一样尽快给予补注射，争取抢在发病之前让疫苗起作用，这时，前一针或前两针的接种剂量应当加倍。
