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Bengaluru, Mar 13: India has registered the first confirmed case of death due to novel coronavirus. A 76-year-old man from Karnataka's Kalaburgi who passed away recently has been tested positive for Covid-19.

The doctors had suspected that the man had coronavirus, however, the test had not confirmed it.

In an official notification, a senior health official in Karnataka government Dr Suresh Shastri said that the lab test has confirmed that the deceased man had Covid-19.

"The 76-year-old man from Kalburgi who passed away and was a suspected COVID 19 patient has been confirmed for COVID 19. The necessary contact tracing, isolation and other measures as per protocol are being carried out. Telangana government has also been informed since he went to a private hospital there," Dr Suresh Shastri said.

The same information was also shared by Karnataka health minister B Sriramulu.

A senior Union health ministry official said in New Delhi that the death of the man had visited Saudi Arabia from January 29 to February 29. The official said the man had reached in Hyderabad on February 29 and went to Kalaburagi in Karnataka.

State Joint Director (Communicable Diseases) BG Prakash Kumar said all protocols were followed for disposal of the body.

"The body is disinfected completely and disposed of as per the Government of India guidelines," he added when asked to elaborate on the protocols.

He said the Telangana government has also been informed as the man had gone to a private hospital in Hyderabad earlier.

While announcing the death of the man on Tuesday, the state authorities had said the exact cause his death was being ascertained.

According to the Union health ministry official, "While he was asymptomatic on his return (from Saudi Arabia), he developed symptoms of fever and cough on 6th March. One private doctor visited him at his home and treated him there."

"On 9th March, the symptoms got aggravated and he was shifted to a private hospital in Kalaburagi. In this private hospital, he was provisionally diagnosed as 'mid-zone viral pneumonia' and 'suspected Covid-19'," the official said.

"The sample was collected on March 9... Without waiting for the test results, the attendees insisted and the patient was discharged against medical advice and the attendees took him to a private hospital in Hyderabad," the official said.

The patient was admitted to a private hospital in Hyderabad and treated. He died on Tuesday when he was being brought back to the Gulbarga Institute of Medical Sciences (GIMS) in Kalaburagi.

Apart from the deceased, Karnataka has confirmed five other positive cases of the novel coronavirus. The fifth case, confirmed on Thursday is of a 26-year-old man who recently returned from Greece.

The patient has been admitted and isolated at a hospital and his condition is stable, a department media bulletin said.

The day also saw the education department declaring summer holidays for students from kindergarten to class six and study leave for higher classes in the city as a precautionary measure.

Washington D.C., May 8: The prime time for brain development in a child's life is the first year, where the infant spends most of the time asleep. It is the time when neural connections form and sensory memories are encoded.

However, when sleep is disrupted, as occurs more often among children with autism, brain development may be affected, too.

New research led by the University of Washington finds that sleep problems in a baby's first 12 months may not only precede an autism diagnosis but also may be associated with altered growth trajectory in a key part of the brain, the hippocampus.

The study, which was published in the American Journal of Psychiatry, researchers report that in a sample of more than 400 taken of 6- to 12-month-old infants, those who were later diagnosed with autism were more likely to have had difficulty falling asleep.

It also states that this sleep difficulty was associated with altered growth trajectories in the hippocampus.

"The hippocampus is critical for learning and memory, and changes in the size of the hippocampus have been associated with poor sleep in adults and older children.

As many as 80 per cent of the children with autism spectrum disorder have sleep problems," said Annette Estes, director of the UW Autism Center and senior author of the study.

"In our clinical experience, parents have a lot of concerns about their children's sleep, and in our work on early autism intervention, we observed that sleep problems were holding children and families back," added Estes, who is also a UW professor of speech and hearing sciences.

"It could be that altered sleep is part-and-parcel of autism for some children. One clue is that behavioural interventions to improve sleep don't work for all children with autism, even when their parents are doing everything just right. This suggests that there may be a biological component to sleep problems for some children with autism," said Estes.

To consider links among sleep, brain development, and autism, researchers at the IBIS Network looked at MRI scans of 432 infants, surveyed parents about sleep patterns, and measured cognitive functioning using a standardized assessment.

At the outset of the study, infants were classified according to their risk for developing autism: Those who were at higher risk of developing autism -- about two-thirds of the study sample -- had an older sibling who had already been diagnosed.

Infant siblings of children with autism have a 20 per cent chance of developing autism spectrum disorder -- a much higher risk than children in the general population.

In the current study, 127 of the 432 infants were identified as "low risk" at the time the MRI scans were taken because they had no family history of autism.

They later evaluated all the participants at 24 months of age to determine whether they had developed autism. Of the roughly 300 children originally considered "high familial risk," 71 were diagnosed with autism spectrum disorder at that age.

Problems with sleep were more common among the infants later diagnosed with an autism spectrum disorder, as were larger hippocampi. No other subcortical brain structures were affected, including the amygdala, which is responsible for certain emotions and aspects of memory, or the thalamus, a signal transmitter from the spinal cord to the cerebral cortex.

The authors note that while parents reported more sleep difficulties among infants who developed autism compared to those who did not, the differences were very subtle and only observed when looking at group averages across hundreds of infants.

Sleep patterns in the first years of life change rapidly as infants transition from sleeping around the clock to a more adult-like sleep/wake cycle. Until further research is completed, Estes said, it is not possible to interpret challenges with sleep as an early sign of increased risk for autism.