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Bengaluru, May 2: The Centre’s classification of districts created confusion in Karnataka as the state’s own categorisation deviates significantly from the health ministry’s list.

For instance, the Centre put the number of districts in the red zone in state at three, while the state Covid-19 war room puts it at 14. Bengaluru Urban and Mysuru figure in the red zone in both lists. While Bengaluru Rural with zero active cases on May 1makes it to the Centre’s red-zone list, it is in the orange zone according to the state.

In addition to these two, the state classifies Belagavi, Kalaburagi, Vijayapura, Bagalkot, Mandya, Bidar, Dakshina Kannada, Chikkaballapura, Dharwad, Gadag, Tumakuru and Davanagere as red-zone districts.

State Covid war-room authorities said they would take a look at the Centre’s criteria for classification and take a call. Besides, incharge Munish Mudgil pointed out that states are allowed to make additions to the red and orange zones. According to the Centre’s list, Karnataka has 13 districts in the orange zone and 14 in the green zone.

Sudan said, “the districts were earlier designated as hotspots or red zones, orange zones and green zones primarily based on the cumulative cases reported and the doubling rate. Since recovery rates have gone up, the districts are now being designated across various zones duly broad-basing the criteria.

This classification takes into consideration incidence of cases, doubling rate, extent of testing and surveillance feedback. A district will be considered under the green zone if there are no confirmed cases so far or if there is no reported case in the past 21 days.”

Thiruvananthapuram, Feb 6: The Kerala government on Wednesday said three foreign nationals were among the 2,528 people under observation in the state for the novel coronavirus infection and no new cases have been reported.

At least 93 people with minor symptoms of the virus have been lodged in isolation wards of various hospitals, state Health Minister KK Shailaja told reporters in Thiruvananthapuram.

India's three positive cases for the virus has been from the state's three districts of Thrissur, Alappuzha and Kasaragod.

All the three are students of China's Wuhan university, the epicentre of the virus.

"No new cases of coronavirus has been detected in the state today. At least 2,435 are under observation at home while 93 are in isolation wards at various hospital across the state," Mr Shailaja said.

The minister also said two foreigners have been quarantined in Ernakulam district and one foreign national at Thiruvananthapuram.

"The foreigner in Thiruvananthapuram has been kept at general hospital but not because he was showing symptoms but for observation as he travelled from China," an official said.

The health status of the three patients, who had tested positive for the virus, "remains satisfactory", the minister said.

After three cases were reported, the Left Democratic Front (LDF) government had declared the epidemic as a "state calamity" on Monday.

The health department has issued advisories to the education, tourism and the animal husbandry departments on taking precautions.

"The students, teachers, other staff members residing with families of Wuhan/China returnees who are already in home isolation should not attend classes...," an advisory issued to the education department read.

Rajan Khobragade, Principal Secretary (Health), said the health department has directed the District collectors to hold a meeting with the religious leaders of the district to create awareness during prayer meetings.

"We have directed district collectors to meet religious leaders and talk to them about the seriousness of the situation and create awareness among them and their followers on how to contain the spread of virus," the minister said.

Mr Shailaja also said the department got messages from some Kerala students studying in China, who returned to the state after the virus outbreak, that their Universities had asked them to return and attend classes.

"We have got some messages from the students that they were being recalled by the universities in China. We discussed the matter and it was decided that the centre will contact such universities and convey the message that it was not possible to send the students back to China until the epidemic was under control," the minister said.

Mr Shailaja also said even though there were no positive cases for the second consecutive day on Wednesday, the state needs to remain vigilant and reiterated the 28 days quarantine period for those returning from China.

Of the 2,528 people under observation, the maximum number is from Malappuram (383), followed by Ernakulam (333), Kozhikode (306) and Thrissur (241).