| http://www.w3.org/ns/prov#value | - ???Children between the 2nd and 6th birthdays with medical conditions such as: ??? sickle cell disease, ??? a damaged spleen or no spleen, ??? cochlear implants, ??? diabetes, ??? HIV/AIDS or other diseases that affect the immune system (such as cancer, or liver disease), or -chronic heart or lung disease, or who take medications that affect the immune system, such as immunosuppressive drugs or st
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