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Bengaluru, Jul 11: Karnataka on Saturday reported the biggest single-day spurt of 2,798 cases and a record 70 related fatalities, taking the total number of infections in the state to 36,216, the health department said.

The day also saw a record 880 patients getting discharged after recovery.

Out of 2,798 fresh cases, a whopping 1,533 cases were from Bengaluru urban alone.

The previous biggest single-day spike was recorded on July 10 with 2,313 cases.

As of July 11 evening, cumulatively 36,216 COVID-19 cases have been confirmed in the state, which includes 613 deaths and 14,716 discharges, the health department said in its bulletin.

It said out of 20,883 active cases, 20,379 patients are in isolation at designated hospitals and are stable, while 504 are in ICU.

Out of 70 deaths reported, 23 are from Bengaluru urban, 8 from Mysuru, five from Dakshina Kannada, among others.

Most of the dead are either with a history of Severe Acute Respiratory Infection (SARI) or Influenza-like illness (ILI).

Out of 2,798 cases tested positive today, contacts of the majority of the cases are still under tracing.

Among the districts where the new cases were reported, Bengaluru urban accounts for 1533 cases, followed by Dakshina Kannada 186, Udupi 90, Mysuru 83, Tumakuru 78, Dharwad 77 and Yadgir 74.

Bengaluru urban district tops the list of positive cases, with a total of 16,862 infections, followed by DakshinaKannada 2,026 and Kalaburagi 2,024.

A total of 7.99 lakh samples were tested so far, out of which 20,587 were tested on Saturday alone.

So far 7.46 lakh samples have been reported as negative, and out of them 17,488 were reported negative today.

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.