However, during the previous decade, following interruption of vaccination in Nigeria in 2003–4 and a reduction in immunisation in India in 2001–2, there was a resurgence of polio transmission: in 2001 there were 483 reported cases, but in the period of 2002 to 2010, the number of global reported cases remained between 750 and 2000 per year, with 1,349 cases in 2010.