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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).

Mangaluru, Apr 16: An old refrigerator has been turned into a "disinfection chamber" by researchers who are striving to come up with solutions to tackle the spread of coronavirus.

Dr Arun M Isloor, head of Chemistry Department, National Institute of Technology Karnataka (NITK), Surathkal, along with research scholar Syed Ibrahim has come up with the device which can disinfect items kept inside it.

"We have named this as ZERO-COV," Dr Isloor said.

He says the device ensures 99.9 per cent destruction of microorganisms present on the surface of items.

"We can keep items like vegetables, currency notes, books or envelopes inside the chamber. Switching on the chamber for 15 minutes ensures 99.9 per cent destruction of microorganisms present in the surface of the items," Dr Isloor added.

Udupi, Jun 28: A student appearing for the Secondary School Leaving Certificate (SSLC) exams in Kaup taluk of Udupi district has tested positive for the novel coronavirus (COVID-19) infection.

Officials of the Department of Public Instruction (DPI) and Udupi District Health and Family Welfare Department have confirmed the report. 

The 16-year-old girl had appeared for the Kannada and Mathematics exams on June 25 and 27 respectively. 

Her throat swabs were sent for testing on June 27 after her father tested covid-19 positive. Today she too obtained positive report.  

The student is unlikely to appear for the science paper on June 29.

Meanwhile, health officers have ruled out the possibility of subjecting other students to covid-19 test as all necessary precautions such as physical distancing and usage of sanitization were taken in the examination centre.