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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.

Bengaluru, May 5: A 62-year-old woman from Vijayapura succumbed to coronavirus infection on Tuesday, taking the COVID-19 death toll in Karnataka to 28, a health official said.

The state has registered eight more COVID-19 cases in the past 19 hours, increasing the count of such cases to 659, the official added.

"Positive case 640, 62-year-old female resident of Vijayapura died on Tuesday due to cardiac arrest," the health official said.

Admitted to a designated hospital''s ICU on Sunday, the woman was also suffering from Chronic Obstructive Pulmonary Disease (COPD), Bronchial Asthma (BA) and complained of breathlessness.

Among the eight fresh cases that emerged in the state, four were contacts of earlier cases, two with Influenza Like Illness (ILI) and one with travel history to Uttarakhand.

The health department is also tracing the contact history of a 30-year-old woman from Bengaluru Urban.

Incidentally, no new cases emerged from Davangere as 22 cases rocked the district on Monday.

Among the new cases, Bengaluru Urban contributed 3, followed by Bagalkote, 2, Ballari, Dakshina Kannada and Bhatkal in Uttara Kannada, 1 each.

Of the new cases, six are men and two women.

Kasaragod, Feb 3: The third novel coronavirus case has been reported in India, with another Keralite student who returned from Wuhan University on Monday testing positive for the infection.

The medical student is in an isolation ward at Kanhangad government hospital in Kasaragod, Health Minister K K Shailaja informed the state assembly.

The condition of the student is "stable", she said.

Out of the 104 samples tested till Sunday, three have tested positive.

This is the third positive case reported from Kerala.

Two earlier positive cases, also of students who came back from Wuhan, the epicentre of the virus, were reported from Thrissur and Alapuzha districts.

The minister made the statement in the assembly under Rule 300 in the wake of three positive cases reported from the state.

A total of 1,999 people, who have a travel history from China and other affected countries, are under observation in Kerala, of whom 75 are in isolation wards of various hospitals.

The remaining 1,924 are under home quarantine as per a medical bulletin issued on Sunday night.

The minister has made it clear that those under observation at home should keep away from public functions and should not participate in any events or go out of their homes during the 28 day incubation period.