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Bengaluru, Apr 28: Karnataka has found that the rapid antibody test kits for COVID-19 that the Centre supplied to the state have only 47% sensitivity. The state will be returning the kits to the Indian Council of Medical Research (ICMR).

Karnataka had received 11,400 rapid antibody test kits from the ICMR a few days back, out of which it had sent around 200 of them to NIMHANS for validation.

After the ICMR, on Monday, sent a circular to all states to return the test kits to the suppliers, Dr CN Manjunath, Director, Jayadeva Institute of Cardiovascular Sciences and Research, and nodal officer for lab testing in the state's COVID-19 task force, said, "We have cancelled the orders we placed to Guangzhou Wondfo Biotech and Zhuhai Livzon Diagnostics for one lakh rapid antibody test kits. Since the ICMR supplied us with 11,400 kits out of the 6.5 lakh kits it procured, we will be returning the kits to them."

Manjunath told said that the validation at NIMHANS revealed the kits to have only 47% sensitivity. Sensitivity is the ability of a test to identify the true-positives in a population, i.e., the actual number of people who've been infected with the disease. With the rapid antibody testing kits being shelved, the state's plan to randomly test high risk groups has taken a backseat. 

So far, the state has tested 43,791 samples. 

Karnataka now has 22 testing facilities -- 14 government and seven private labs. Many private labs have not tested any samples so far because of the lack of test kits (the state has made it clear that it will not provide test kits to private labs). So, getting an ICMR approval for testing has become a moot point.p

Agreeing to the setback the state's plans of ramping up testing has taken, Manjunath said, "It is true that RT-PCR test kits are in shortage. Even Pune's Mylabs had a shortage in supplying test kits. But we are relying on institutes like Kidwai, Narayana Health and Biocon's Syngene that have received approval for testing. They're big institutes and we hope that they will test a large number of samples."

On reports that the Centre has RT-PCR test kits that will last for only a week, he said, "We have test kits that will last for eight to 10 days. We have ordered for more. We are hoping to receive them before the current kits run out."

Thiruvananthapuram, Apr 27: Kerala Chief Minister Pinarayi Vijayan on Sunday said the issue of return of Non-Resident Keralites (NRKs) to the state has been taken up with the Centre and the state government is awaiting a favourable response.

Vijayan said this in a meeting with Non-Resident Keralites over steps taken by the state government for those wishing to return to the state from foreign countries.

The Chief Minister announced that the Department of Non-Resident Keralites Affairs has opened online registration for such NRKs.

"Those returning should undergo screening at airports. All those returning should undergo mandatory home quarantine for 14 days.

Arrangements of isolation wards will be provided for those unable to go home," said Vijayan.

Thiruvananthapuram, Apr 24: Kerala Chief Minister Pinarayi Vijayan on Thursday said that there is no community spread or the expected phase three spread of coronavirus in the state so far but the threat continues.

Speaking to media persons here on Thursday, Vijayan said that Kasargod, Kannur, Kozhikode, and Malappuram districts will be in the red zone with full restrictions.

"All the other ten districts in the State will be in the orange zone. With the detection of new cases today, the status of Kottayam and Idukki districts have been changed from green to orange. The district administration will decide on the hotspot areas to be closed," he said.

He said there would be an increase in the number of random tests in the red zones.

"In an effort to confirm that there is no community spread in the State, random antibody tests would be conducted among health workers, police personnel, home delivery persons, volunteers and migrant labourers," he added.

The Chief Minister said that COVID-19 labs set up at the Pariyaram Government Medical College at Kannur and the Kottayam Medical College have got the approval from the ICMR for coronavirus testing. The lab at Kannur Medical College will start functioning from Friday.

The UV sterilised lab, spread over 2,200 sq ft is equipped with four real-time PCR machines. In the first phase, this lab will be able to do 15 tests per day, which will be gradually increased to conduct 60 tests in the next phase.

"With the opening of these two new labs, tests to detect COVID-19 will be conducted in 14 government labs in Kerala. Apart from this, there are two private labs also in Kerala which are doing these tests. Since the number of coronavirus cases is again increasing in the State, the government has decided to procure ten real-time PCR machines to ramp up testing," he added.