hospital bed; milk protein; prenatal formula; allergy; awareness; breast feeding; cesarean section; clinical audit; coronavirus disease 2019; cow milk; diet supplementation; education; female; health care facility; health care personnel; hospital patient; hospital service; human; immune system; incidence; infection control; Ireland; lactation; letter; maternal care; medical education; midwife; milk; milk production; pandemic; pregnancy; pregnancy diabetes mellitus; skin; tuberculosis; workload; World Health Organization