The patients included a 33-year-old woman from Cherry Count society in Greater Noida, a 61-year-old woman in Sector 55 and a 52-year-old woman in Sector 34 of Noida, the Health Department said.
On the brighter side, it said 43 of the 100 patients have been cured and discharged from the hospitals so far, leaving 57 active cases now.
The localities where these cases were detected have been sealed off till May 3, strictly restricting movement into or out of the sectors/societies except in emergencies, officials said.
"Total 95 reports have been received in the last 24 hours, of which 92 resulted in negative and three positive. The cumulative positive cases of coronavirus in Gautam Buddh Nagar so far is 100," District Surveillance Officer Sunil Dohare said.
"Five more patients were cured and discharged on Monday. So far 43 of the 100 patients have been cured, leaving 57 active patients in Gautam Buddh Nagar," the officer said.
According to the Health Department, 2,309 samples were taken for the COVID-19 test till Monday evening. KIS CK