The number of Covid-19 patientsin Madhya Pradesh reached seven with a man testing positive in Jabalpur on Monday, health officials said.The man worked in a Dubai returnee businessman's shop from where another employee tested positive on Sunday, officials said.Four persons- three who returned from Dubai and one from Germany- had tested positive for the virus on Friday in Jabalpur, they said.Caretaker health minister Tarun Bhanot said around 4000 people had directly and indirectly come in contact with the Covid-19 patients before they were quarantined.A woman who returned from London on March 17 is the state's first Covid-19 patient.