Polio could soon be wiped out—but only if scientists can track down the last carriers By Helen Branswell Image: GETTY IMAGES Global eradication of polio has been the ultimate game of Whack-a-Mole for the past decade; when it seems the virus has been beaten into submission in a final refuge, up it pops in a new region. Now, as vanquishing polio worldwide appears again within reach, another insidious threat may be in store from infection sources hidden in plain view. Polio’s latest redoubts are “chronic excreters,” people with compromised immune systems who, having More…![]()
