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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.

The Central Board of Secondary Education (CBSE) has rationalised the syllabus for classes IX to XII for the academic year 2020-21 by up to 30 per cent to make up for academic loss caused due to COVID-19, Union HRD Minister Ramesh Pokhriyal 'Nishank' announced on Tuesday.

"Looking at the extraordinary situation prevailing in the country and the world, CBSE was advised to revise the curriculum and reduce course load for the students of classes IX to XII.

"To aid the decision, a few weeks back I also invited suggestions from all educationists on the reduction of syllabus for students and I am glad to share that we received more than 1.5K suggestions. Thank you, everyone, for the overwhelming response," Nishank tweeted.

"Considering the importance of learning achievement, it has been decided to rationalize syllabus up to 30 per cent by retaining the core concepts," he added.

Bengaluru, Apr 2: In a bid to discourage people from coming out on roads during the lockdown, Bengaluru Traffic Police have inscribed a message that reads, "If you come to road, I'll come to your home."

It was written on the road at Nagenahalli check-post. The message was written by the cops in the regional language.

Meanwhile, nine fresh cases were reported in Karnataka with the count rising to 110 in the state on Wednesday.

Out of the total cases, three persons died due to the virus while nine others have been discharged after recovery.

"COVID-19 cases climb to 110 in Karnataka, with nine fresh cases being reported between 5 pm yesterday and 2 pm today. Out of the total cases, three have died while nine others have been discharged," a bulletin issued by the state health department said.

"Out of 110 cases detected and confirmed in Karnataka so far, seven cases are transit
passengers of Kerala who have landed in our airports and being treated in
Karnataka," it added.

The Union Ministry of Health and Family Welfare on Wednesday said that there are 1,834 coronavirus positive cases in India, including 1,649 active cases, 144 cured/discharged/migrated people and 41 deaths.