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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, Jan 10: Chief minister BS Yediyurappa said on Thursday he might not attend the World Economic Forum (WEF) meeting in Davos, Switzerland, and would most likely visit Delhi this weekend for discussions on the pending cabinet expansion.

He was expected to join Union ministers Piyush Goyal and Mansukh Mandaviya, chief ministers Amarinder Singh (Punjab) and Kamal Nath (Madhya Pradesh) and over 100 Indian CEOs at WEF’s 50th annual gathering on January 21-24.

“Mostly, I may not go for Davos (meet),” he told reporters on Thursday. Last week, he had said he was not keen on travelling to the Swiss town but was considering it as some chief ministers’ attendance was required at the high-profile event.

Eleven Congress-JD(S) turncoats, who contested the bypolls on BJP tickets and won, reportedly pressured Yediyurappa to take a decision on cabinet expansion before the now-uncertain Davos trip; it was even suggested that he should simply cancel the trip. The newly elected BJP MLAs are widely expected to be inducted as ministers. But officials in the Chief Minister’s Office (CMO) said his disinclination to travel had nothing to do with the cabinet exercise.

“It’s mainly because of his health. That place (Davos) has got temperature of minus 4-6 degrees and it will be quite tedious for Yediyurappa at the age of 76,” one official said. BJP functionaries, however, claimed that he was wary of taking a trip amid tensions in the party. “The new MLAs have been breathing down Yediyurappa’s neck. They have pushed him into a corner, demanding that he complete cabinet expansion before going anywhere,” a senior functionary said.

On Thursday, the chief minister said he had sought a meeting with party bosses in Delhi. “To discuss cabinet expansion and other important issues, I plan to travel to New Delhi on January 11 or 12. However, I am still waiting for an appointment with the BJP national president and prime minister,” he said.

While Yediyurappa, his additional chief secretary P Ravi Kumar and political adviser MB Maramkal may not visit Davos, a 10-member delegation from Karnataka, including Jagadish Shettar, is expected to travel. There are reports ministers’ family members might join the delegation.

Bengaluru, Jan 1: Former Karnataka Chief Minister and Leader of the Opposition Siddaramaiah on Wednesday slammed the Centre on the issue of fare hike announcement by Indian Railways.

"Increase in Train fares is a New Year gift by Narendra Modi government to common people," Siddaramaiah tweeted.

"This will further dent the developmental prospects as Railways form a backbone of Transportation. Instead, the govt should have gifted us the values of our Constitution by upholding it," he added.