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Columbia bioengineers are the first to program bacteria that guide immune cells to tumors, which could make more cancers treatable with immunotherapies.

Frequent blood draws are a dreaded part of IVF. At Columbia’s fertility center, blood can now be drawn painlessly at home, thanks to an innovative laboratory test developed by center staff.

There is still much to be learned about this complex condition in adults, but in children, long COVID is even less understood.