No, staffing will not be a problem. Those jobs are fairly easy to access (you only need some courses and certification), are not dangerous or highly stressful, and will not be replaced by AI or automation. Worst case scenario we will import nurses from developing countries. The only issue can be founding but in countries with stable social security retirements will cover most of the cost. If you're living in country with weak social security you will be fucked and kids may be necessary.