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Bengaluru, May 29: Karnataka reported 248 new cases of coronavirus on Friday, and with that, the state tally surged to 2,781. 

A 50-year-old woman, resident of Chikkaballapura district, succumbed to the infection on Friday. She was admitted to a private hospital on May 24 following acute kidney injury and pneumonia. As her condition deterorted, she was shifted to a designated hospital in Bengaluru Urban on May 28, where she tested COVID-19 positive.

Out of the 248 cases, only 16 persons have contracted the virus inside the state. The remaining are the people who have returned from Maharashtra, Delhi, Andhra Pradesh, Tamil Nadu and Ireland.

The maximum number of people, who tested positive for COVID-19, have returned from Maharashtra. Most of these people are residents of Udupi, Kalaburagi, Yadagiri and Raichuru.

Besides, five people have a travel history to Delhi, while one person each has tested positive on returning from Andhra Pradesh, Tamil Nadu, Rajasthan and Ireland.

Fifteen people have tested positive within the state and have been infected by persons who had previously tested positive or have a history of Influenza-like Illness and Severe Acute Respiratory Illness.

Out of all the cases, 10 have been reported in Bengaluru Urban while one has come up in Bengaluru Rural.

Meanwhile, on Thursday, the Karnataka government asked the Civil Aviation Ministry to reduce the number of flights coming in the state from the five worst-hit states -- Maharashtra, Tamil Nadu, Gujarat, Madhya Pradesh and Rajasthan.

"Karnataka has appealed to the Civil Aviation Ministry to take steps to lessen the air traffic to the state, with the sacred intention that there may not be adequate quarantine facilities if there is a huge turnout in a short span of time," state Law and Parliamentary Affairs Minister J.C. Madhuswamy explained.

May 12: Children suffering from non-respiratory disease symptoms like diarrhea and fever, or those with a history of exposure to the novel coronavirus, should be suspected of having COVID-19, a new study says.

According to the research, published in the journal Frontiers in Pediatrics, gastrointestinal symptoms first suffered by some children hints at potential infection with SARS-CoV-2 through the digestive tract.

"This case series is the first report to describe the clinical features of COVID-19 with non-respiratory symptoms as the first manifestation in children," the scientists from Tongji Hospital in China wrote in the study.

They explained that the gastrointestinal symptoms could be arising since the type of receptors in lung cells targeted by the virus can also be found in the intestines.

Most children are only mildly affected by COVID-19, and the few severe cases often have underlying health issues, the researchers said.

"It is easy to miss its diagnosis in the early stage, when a child has non-respiratory symptoms, or suffers from another illness," said study co-author Wenbin Li, who works at the Department of Pediatrics, Tongji Hospital.

"Based on our experience of dealing with COVID-19, in regions where this virus is epidemic, children suffering from digestive tract symptoms, especially with fever and/or a history of exposure to this disease, should be suspected of being infected with this virus," Li said.

In the study, the scientists described the clinical features of children admitted to hospital with non-respiratory symptoms, who were subsequently diagnosed with pneumonia and COVID-19.

"These children were seeking medical advice in the emergency department for unrelated problems, for example, one had a kidney stone, another a head trauma," Li said.

The study noted that all the children had pneumonia, which was confirmed by chest X-ray scan before or soon after admission.

These children were then confirmed to have COVID-19.

While their COVID-19 symptoms were initially mild or relatively hidden before their hospital admission, four out of the five cases had digestive tract symptoms as the first manifestation of this disease, the researchers said.

Li hopes that doctors will use the findings to quickly diagnose and isolate patients with similar symptoms, which may aid early treatment and reduce transmission.

According to the researchers, the children's gastrointestinal symptoms, which have also been recorded in adult patients, could be an additional route of infection.

"The gastrointestinal symptoms experienced by these children may be related to the distribution of receptors and the transmission pathway associated with COVID-19 infection in humans," Li explained.

Since the virus infects people via the ACE2 receptor, which can be found in certain cells in the lungs as well as the intestines, COVID-19 might infect patients not only through the respiratory tract in the form of air droplets, but also through the digestive tract by contact or fecal-oral transmission, the study noted.

While COVID-19 tests can occasionally produce false positive readings, Li said all the five children assessed in the study were infected with the disease.

However, he cautioned that more research is needed to confirm their findings.

"We report five cases of COVID-19 in children showing non-respiratory symptoms as the first manifestation after admission to hospital. The incidence and clinical features of similar cases needs further study in more patients," he said.

Bengaluru, Mar 29: The State government launched a mobile application for people to track the movement history of patients, who tested positive, before their detection so that they can take precautions. The app will give the date and time of visit to spots by the patients.

The mobile app “Corona Watch” can be downloaded from Google Playstore https://play.google.com/store/apps/details?id=com.ksrsac.drawshapefile

“The app also has a list of government designated first response hospitals for COVID-19 where citizen with symptoms can go. However, before going to a COVID hospital, people should call helplines — 104, 080-46848600 or 080-66692000,” said a message by Munish Moudgil, secretary, Administrative Reforms, who is also in-charge of the State COVID war room.