While one year has passed without polio caused by natural poliovirus, we can claim complete eradication only after we ensure the absence of wild and vaccine polioviruses in the population. Today, India passes one whole year without polio caused by natural (wild) poliovirus — a major milestone towards polio eradication. This spells relief from an agonising decade of wild polioviruses refusing to surrender. Many experts believed that India posed the greatest...

“Only one third of the journey has been completed” The last case of wild polio virus reported in India was exactly one year ago, on January 13, when stool samples showed that 18-month-old Rukhsar Khatoon in West Bengal had polio. She has since recovered, but it is the progress of whittling down from the largest number of cases in the world to zero that is fascinating to public health experts globally. Clearly,...