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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."

Bengaluru, Apr 8: Heavy rain lashed Belthangady taluk in Dakshina Kannada district and parts of Udupi district on Tuesday providing much-needed relief to the people from the sultry heat.

Belthangady, Guruvayanakere, Madantyaru, Venoor, Naravi and surrounding areas received rain coupled with lightning and thunder. 

Rain also lashed Karkala, Kundapura, Kollur, Siddapura, Gangolli, Hemmady, Uppunda, Shiroor, Hebri and surrounding areas in Udupi district.

Parts of Malnad --- Koppa, Balehonnur and NR Pura taluks in the neighbouring Chikkamagaluru district --- received good rainfall coupled with lightning and thunder.

The rain has brought a smile on the face of coffee growers as it will help in the blossoming of the flowers in coffee plants.

In Kodagu district, heavy rain lashed Madikeri, Hudikeri, Ponnampet, Srimangala, Siddapura, Galiubeedu, Bapoklu, Talacauvery and Bhagamandala.

Parts of Mysuru city and district, Chamarajanagar, and Hassan received a good spell of rain on Monday night, bringing down the mercury levels.

Heavy rain lashed T Narasipur taluk in Mysuru district and the Kothegala Gram panchayat limits received 7 cm rainfall. Karya village in Nanjangud taluk received 5 cm rainfall.

Male Mahadeshwara Hills in Chamarajanagar district received good rain in the evening. 

Meanwhile, the Agriculture Research Station at Naganahalli has predicted thunderstorms, on April 7 and 8 in the region. The research centre recorded 12 mm rain on Sunday night and 22.5 mm on Monday midnight. 

Moderate to heavy rain, accompanied by strong wind and lightning, lashed some parts of Shivamogga district, including Ripponpet, Sorab, Bhadravathi, Thirthahalli, Sagar
and Shikariput. 

Bhatkal in Uttara Kannada district received heavy rain from 4 to 7 pm. The town had also received the rain for about half-an-hour in the morning.

Hosapete town and the surrounding villages also received the rain. At some places, the rain brought down the branches of the trees. The rain has cooled the mercury level at Hosur, Nagenahalli, Basavadurga, Kamalapur, Hampi and other villages in Hosapete taluk. 

Rain also lashed several places in Ballari district, including the Ballari city. Rain, accompanied by hailstones, brought cheers to the people at Kottur. 

Meanwhile, rain and hailstones have destroyed the standing paddy crop in hundreds of acres of land at Maraladinni, Katagal, Uskihal, Belladamaradi and other villages in Maski taluk of Raichur. The farmers are waiting to harvest the crop.