"Please stay safe, wear a mask, keep safe distance. Take care," she added.
Besides Neetu Kapoor, her "Jug Jugg Jeeyo" co-stars Varun Dhawan, Maniesh Paul and director Raj Mehta have also tested positive for the disease.
Dhawan, who is looking forward to the release of 'Coolie No 1', confirmed his diagnosis on social media on Monday.
'Jug Jugg Jeeyo', backed by film-maker Karan Johar, marks the return of Neetu Kapoor on the big screen.
She last featured in 2013's "Besharam", alongside Ranbir Kapoor and late husband Rishi Kapoor.
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