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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.

Mysuru, Apr 7 Following a tiger at Bronx Zoo in the US, testing positive for COVID-19, Mysuru Zoo authorities here have taken measures to contain the spread of the dreaded disease as per the directions of the Central Zoo Authority (CZA).

The Zoo is on alert and the animal keepers are not allowed to enter the enclosures without safety gear. It is mandatory for the personnel to undergo thermal screening before entering the Zoo. The personnel are provided with safety gears such as masks, gloves and Sanitisers. The CZA has directed to spray disinfectants near the enclosures of the animals and has also directed to monitor the animals’ behavior.

Zoo Authority of Karnataka Member Secretary B P Ravi said, "COVID-19 was detected in a domestic cat two weeks back in Hong Kong. Due to the outbreak of bird flu in Mysuru, we have taken all precautionary measures to combat COVID-19."

Davanagere, Jul 4: Referring to allegations made by former Karnataka Chief Minister Siddaramaiah's charge about corruption while purchasing COVID-19 equipment, Health Minister B Sriramulu said the state government is ready for any kind of probe in this regard.

Speaking to media persons here on Saturday, he said the government has maintained accounts for each purchase of equipment related to Covid-19. 

"So, Congress leader's allegations are far from the truth. Siddaramaiah has vast political experience. It is unbecoming of such a leader to make ridiculous allegations. The government is ready to release white paper on purchase of equipment related to Covid-19," he said.

He said Karnataka stands third in the country in collection of throat swabs and examination of people related to Covid-19. The entire country has hailed Karnataka's role in containing Covid-19, Sriramulu he added.