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India’s R value steady at 0.94, but infection rate above 1 in Telangana, Karnataka

R value for Telangana and Karnataka is 1.05 and 1.12, respectively. All major metros also have R above 1.

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New Delhi: The effective reproduction number or R value for Covid in India — an indicator of how fast the infection is spreading — has remained steady for almost a month at 0.94, although several states and metro cities have R above 1. 

R is the average number of people who are expected to get infected from one sick person. R should be below one for the pandemic to come to an end. 

Graphic: Ramandeep Kaur/ThePrint
Graphic: Ramandeep Kaur/ThePrint

The good news is that India continues to show the same R of 0.94 as before and fewer of the top states in terms of active cases have R over 1,” Sitabhra Sinha, a researcher at the Institute of Mathematical Sciences in Chennai, told ThePrint.

Telangana, Jammu Kashmir and Karnataka continue to have R over 1. While Telangana and  Jammu Kashmir have R similar to last week at 1.05 and 1.08, respectively, Karnataka saw its R value rise to 1.12 from 1.09. 

Graphic: Ramandeep Kaur/ThePrint
Graphic: Ramandeep Kaur/ThePrint

Mizoram, which had R over 1 since around 16 November, saw the value fall from 1.11 to 0.89. Similarly, Odisha’s R value went from 1.08 to 0.78 over the last week. 

Maharashtra, Tamil Nadu and West Bengal all have R close to one. While for Maharashtra and Tamil Nadu, the value is at 0.97, for West Bengal it is 0.98.

Also read: India’s Covid R remains steady at 0.94, but several states now have values over 1

Major metros

All major metros have R above 1.

“But the bad news is that all major metros have R over 1, Kolkata has just around 1,” Sinha said. 

Graphic: Ramandeep Kaur/ThePrint
Graphic: Ramandeep Kaur/ThePrint

Bengaluru’s R increased from 0.88 to 1.04 this week, while Chennai’s went from 0.96 to 1.04. Pune’s R remains the same as last week at 1.13, while that of Mumbai increased from 1.09 to 1.1. 

Kolkata’s R is about 0.95, data in the recent days indicates that it may have risen closer to 1, Sinha said.

Also read: Prioritise 1st & 2nd vaccine dose, but those with low immunity need booster: US epidemiologist


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