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San Diego, Apr 15: Several people lost their sense of smell or taste weeks ago globally and are still waiting for it to come back and now, researchers have identified an association between sensory loss and novel coronavirus 2019 (COVID-19) infection, indicating that loss of smell and taste may be considered as early symptoms of the deadly disease.

Interestingly, the study also found that persons who reported experiencing a sore throat more often tested negative for COVID-19.

The team from University of California-San Diego found high prevalence and unique presentation of certain sensory impairments in patients positive with COVID-19.

Of those who reported a loss of smell and taste, the loss was typically profound, not mild.

"Based on our study, if you have smell and taste loss, you are more than 10 times more likely to have COVID-19 infection than other causes of infection. The most common first sign of a COVID-19 infection remains fever, but fatigue and loss of smell and taste follow as other very common initial symptoms," explained study researcher Carol Yan from UC San Diego.

"We know COVID-19 is an extremely contagious virus. This study supports the need to be aware of smell and taste loss as early signs of COVID-19," Yan added.

For the findings, published in the journal International Forum of Allergy and Rhinology, the research team surveyed 1,480 patients with flu-like symptoms and concerns regarding potential COVID-19 infection who underwent testing at UC San Diego Health from March 3 through March 29, 2020.

Within that total, 102 patients tested positive for the virus and 1,378 tested negatives. The study included responses from 59 COVID-19-positive patients and 203 COVID-19-negative patients.

Encouragingly, the rate of recovery of smell and taste was high and occurred usually within two to four weeks of infection.

"Our study not only showed that the high incidence of smell and taste is specific to COVID-19 infection but we fortunately also found that for the majority of people sensory recovery was generally rapid," said Yan.

"Among the COVID-19 patients with smell loss, more than 70 per cent had reported improvement of smell at the time of the survey and of those who hadn't reported improvement, many had only been diagnosed recently," she added.

Sensory return typically matched the timing of disease recovery.

In an effort to decrease the risk of virus transmission, UC San Diego Health now includes loss of smell and taste as a screening requirement for visitors and staff, as well as a marker for testing patients who may be positive for the virus.

"It is our hope that with these findings other institutions will follow suit and not only list smell and taste loss as a symptom of COVID-19, but use it as a screening measure for the virus across the world," Yan said.

Bengaluru, Mar 6: At least 13 persons, including women and children, were killed and five critically wounded when an SUV collided with a car that had crashed against a road divider moments ago near Kunigal in Tumakuru district of Karnataka in the early hours of Friday, police said.

Of the victims, while 12 died on the spot, a child breathed his last in a hospital, they added.

The injured were admitted to the hospital, the police said.

Among the dead, 10 were from Tamil Nadu and three from Bengaluru. All of them were pilgrims who were on their way to Dharmasthala in Karnataka.

There were five women and two children among the dead, the police said.

"Thirteen persons have died. The incident occurred post midnight. A car crashed against the road divider and another car collided with it," Tumakuru Superintendent of Police (SP) K Vamsi Krishna said.

The police had to struggle to pull the bodies out from the mangled vehicles.

On learning about the incident, relatives of the victims rushed to the spot.

Bengaluru, May 28: The Karnataka government has done away with previously mandatory COVID-19 testing for asymptomatic international travellers. 

The development comes a day after the government issued a circular, which allowed placing of international travellers into home quarantine if they had completed seven days of institutional quarantine.

A circular signed by Jawaid Akhtar, Additional Chief Secretary to the State Government, dated May 27, says that any “person who has completed seven days of institutional quarantine and is asymptomatic can be permitted for home quarantine with a COVID-19 test (RT-PCR), subject to undergoing a medical check-up.”

This check-up equates to thermal screening (with a required temperature of under 37.5C or 99.5F and pulse oximetry of under 94%). 

The circular added that all elderly people, over the age of 60, and those with comorbidities (such as Diabetes mellitus, hypertension, asthma, heart ailment, renal disease...etc) are “required to be clinically evaluated diligently prior to shifting them for quarantine.”

On Wednesday, Pankaj Pandey, Commissioner, the Department of Health and Family Welfare said that these new guidelines were based on recommendations from the COVID Task Force. A member of the COVID Task Force said that new strategies had been formulated based on the latest findings on how the SARS-Cov-2 virus affects people.