MUMBAI: The city’s doubling rate for Covid-19 cases is 50 days now, said the BMC’s daily update on Saturday.

“A doubling rate of 50 days means Mumbai can think of further reducing the lockdown rules,” said a doctor. From 11 days in the first week of May to 50 days is a big achievement as far as public health department’s containment measures are concerned, the doctor added.
Dr Shashank Joshi, who is a member of the state task force on Covid-19, said, “If the effective reproduction number ‘R’ for Covid-19 reaches 1, and the doubling rate crosses 45 days, it paves the way for a smarter unlocking for Mumbai.” He said the city cannot go for complete relaxation as it could lead to a surge in cases.
By comparison, Mumbai’s satellite cities have poor doubling rates. The worst is 12 days in Kalyan-Dombivli, the current Covid hotspot in the region. In Thane, another municipality with over 12,000 cases, it is 20 days.
Want to up doubling rate to 30 days: TMC
The present doubling rate of Covid cases in Thane is 20 days, as 6,132 cases were reported as on May 20 that shot to 12,053 by June 9, stated latest civic records.
The numbers have increased during the past month after Unlock.01 was implemented, and civic officials say they are aggressively working towards stretching the doubling rate to 27-30 days.
“We are working towards identifying patients and their contacts in the early stages and treating them before they require hospitalisation. Our survey team is being strengthened,” said a senior bureaucrat on Saturday.
In the Mira-Bhayander and Vasai-Virar belts, the doubling rate is 15 days and 17 days, respectively. The doubling rate at both the places was 10 to 12 days in May-end, and had increased to 17 days in mid-June. “Since the second week of June the doubling rate has been hovering around 15 days, which is worrying,” said a doctor.
Civic officials are hopeful because contact tracking ratio is now 1:20 and testing has gone up. In Vasai-Virar, though, contact tracing continues to be poor.
The doubling rate in Bhiwandi-Nizampura City Municipal Corporation is 23 days while in Ulhasnagar, where cases have crossed 3,000, it is 14 days.
(Inputs by Malathy Iyer, Sandhya Nair, Manoj Badgeri & Pradeep Gupta)

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