With cases of the Delta Plus variant of Covid-19 getting reported from various parts of the country, the Union Health Ministry said on Monday that lab test results of the effectiveness of the Covid vaccine on the new mutant will be out in 10 days.

"Tests to check vaccine effectiveness on Delta Plus variant are ongoing. The virus has been isolated and is being cultured now at ICMR's National Institute of Virology in Pune. The results will be available in 7 to 10 days. These will be the first such results in the world," the ministry said.