The GACVS acknowledges that supposed "immune overload" as a result of infant immunization is a parental and societal concern that may limit confidence in and thus affect immunization programmes.

GACVS承认，所谓“免疫超负荷”(immune overload)作为婴儿免疫接种的结果，是由于父母和社会对其高度关注所致，可能会因此降低对免疫接种规划的信赖，进而影响免疫规划的开展。

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Beyond this 200-day limit, the confidence in the performance of the vehicle drops off, and in particular in the status of the propellant in their manoeuvring thrusters.

BBC: November deadline for ISS crews

Dugas said that market conditions are expected to remain relatively stable for the rest of the year, but high resale inventory, particularly foreclosure inventory, expiration of the tax credit and weak consumer confidence could limit the pace of housing's recovery for several more quarters.

FORBES: Earnings Season

But too often we choose the path of safety and give up the possibility of addressing issues that undermine our relationships, limit our productivity, chip away at self-confidence and constrain opportunity.

FORBES: Is it past time you engaged in a "Courageous Conversation?"