Health CAS Dr Rashid Aman on Saturday stated that hawking in Eastleigh and Old Town is prohibited until further notice.
This comes just days after CS Mutahi Kagwe announced cessation of movement in and out of the two areas which he described as high risk.
Further, all forms of gatherings remain illegal and malls, eateries and restaurants will remain shut as part of a plan to contain the spread of the virus.
Dr Aman also warned that some restaurants that had resumed operations might be shut down since they have not fully adhered to testing of employees.
This comes as the country recorded 28 new cases of Coronavirus bringing the national tally to 649.
Out of this, 24 are Kenyans while four are Tanzanians who crossed over to Migori.
In terms of distribution per county: Mombasa 10Nairobi 9Migori 4Kajiado 2Machakos 1 Kiambu 1Homabay 1
In terms of distribution in Nairobi: Embakasi 3Eastleigh 2Kayole 1Huruma 1 South B 1 Kawangware 1
Among the new cases, the youngest is 11 years while the oldest is 81 and 17 are male while 11 are female.
On a more positive note, there are five more recoveries bringing the number of total recoveries to 207.
One more patient has succumbed to the virus in Mombasa, bringing the number of victims to 30.