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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."

Mangaluru, May 4: An engineering student has claimed to have received 600 threat calls in the past few days from unidentified people for starting fish business during the lockdown in Kavoor. 

According to Sakshath Shetty, resident of Kavoor, he started receiving threat calls from various people after he started selling fish during the lockdown. 

Police said they have been able to identify some of the numbers from where the threat calls were made and investigation is under way.

Bhatkal, May 9: A day after 12 covid-19 positive cases reported from Bhatkal, seven more tested positive for the coronavirus in the town today. 

The new patients are: a six-month-old baby, a two-and-a half-year-old child, two girls aged 17 and 23, a 50-year-old woman and two elderly men aged 65 and 68 years.

The source of all these cases is said to be the First Neuro hospital located at Padil in Mangaluru where a covid-19 patient from Bantwal had undergone treatment a month ago. Around 20 days ago an 18-year-old girl from Bhatkal, who had been to the same hospital was tested positive for the covid-19. 

After the confirmation of 12 covid-19 positive cases yesterday, the throat swab of 60 people, who were in contact with them were sent for testing. Among them seven people – six relatives and a friend – were tested positive today.

Also Read: 12 new covid-19 positive cases in Bhatkal