A doctor examines a child’s leg, weakened by polio. Nearly eradicated by global vaccination, … [+] poliomyelitis cases are on the rise due to a decline in vaccination rates. Bettmann Archi...
A doctor examines a child’s leg, weakened by polio. Nearly eradicated by global vaccination, … [+] poliomyelitis cases are on the rise due to a decline in vaccination rates. Bettmann Archi...