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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, Jun 23: Former Karnataka Chief Minister HD Kumaraswamy on Tuesday demanded that Bengaluru should be put under lockdown for 20 days to contain the spread of coronavirus, the cases of which have risen sharply recently.

 “Stop playing with people's lives. There’s no use in sealing off only some areas. If the people of Bengaluru must live, then a lockdown of at least 20 days is needed. Otherwise, Bengaluru will become another Brazil,” Kumaraswamy said in a tweet. “People’s health is more important, not economy.”

The JD(S) leader was reacting to the BJP government's decision to impose an area-wide lockdown in Chickpet, KR Market, Kalasipalyam and Chamarajpet while streets will be sealed off in VV Puram, Siddapura, Yelahanka, Vidyaranyapura and Chickpet.

Bengaluru has witnessed a huge spike in its Covid-19 tally; the city currently has at least 919 active cases. This has sparked off fears that the contagion might have reached the community.

Kumaraswamy has also demanded welfare measures for the poor. “The poor and the labourers should be given ration immediately. The state’s 50 lakh working class should get ₹5,000 each. The aid already announced by the government hasn’t reached drivers, weavers, Madiwalas and other communities,” he said, adding that mere announcements of a package won’t be enough and “it has to be implemented.”

Bengaluru, Apr 15: The Karnataka government on Wednesday opened a critical care support unit to monitor the progress of Coronavirus patients in Intensive Care Units (ICUs) of various designated COVID hospitals across the State.

Karnataka is the first state in the country to establish a dedicated unit for critical care support, by linking ICUs of COVID hospitals onto a single platform, Medical Education Minister Sudhakar K, who inaugurated it, was quoted as saying in a statement on Wednesday.

Its objective is to monitor COVID-19 patients in ICUs across Karnataka state so that the hospitals are prepared for the potential onslaught of the virus and thereby to achieve zero COVID mortality in Karnataka, he said, adding, it would enable capturing details of ICU COVID-19 patients in real-time