India's COVID-19 vaccination target of delivering up to 500 million doses by July, which is largely piggy-backing on the country's existing routine immunisation programme, may strain the system, public health professionals warn.
India's Universal Immunization Programme (UIP), which targets 56 million people annually (26.7 million infants and 29 million mothers) with about 390 million doses for 12 diseases, is one of the world's largest. The country has also started the world's largest COVID-19 immunisation programme this year. Both these programmes are being implemented in parallel, using much of the same human resources and physical infrastructure.

