“As of now among the samples sequenced (45000+) in India, Delta plus variant — AY.1 –has been observed sporadically in Maharashtra, Kerala and Madhya Pradesh, with around 40 cases identified so far and no significant increase in prevalence,” the ministry said in its statement.

These three states have been advised to strengthen surveillance and take appropriate public health measures.
 AstraZeneca Plc’s COVID-19 vaccine is effective against Delta and Kappa variants, which were first identified in India, the company said on Tuesday, citing a study.

The study by the Oxford University investigated the ability of monoclonal antibodies in blood from recovered people and from those vaccinated to neutralize the Delta and Kappa variants, the statement said.