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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.

New Delhi, May 12: Air India is planning to operate 149 repatriation flights to 31 countries between May 16 and May 22 during the second phase of the Vande Bharat mission to bring back home Indians stranded abroad amid the coronavirus-triggered lockdown, officials said. During the first phase of the Vande Bharat mission, Air India and its subsidiary Air India Express are scheduled to operate total 64 flights between May 7 and May 14 to bring approximately 15,000 Indians from 12 countries on a payment basis.

"In the second phase, Air India and Air India Express will operate 149 flights to countries such as the USA, the UAE, Canada, Saudi Arabia, the UK, Malaysia, Oman, Kazakhstan, Australia, Ukraine, Qatar and Indonesia," the airline officials stated.

Other countries to where the national carrier would operate flights between May 16 and May 22 are Russia, Philippines, France, Singapore, Ireland, Kyrgyzstan, Kuwait,

Japan, Georgia, Germany and Tajikistan, officials noted.
The flights during the second phase will also be operated to Bahrain, Armenia, Thailand, Italy, Nepal, Belarus, Nigeria and Bangladesh, they mentioned.

India has been under lockdown since March 25 to curb the spread of the novel coronavirus, which has infected more than 70,000 people and killed around 2,290 people in the country till now. All scheduled commercial passenger flights have been suspended for the lockdown period.

Bengaluru, Apr 19: Karnataka Deputy Chief Minister CN Ashwath Narayan on Sunday said that "only essential and critical number of" employees of the Information Technology (IT) companies will be allowed to work from offices from April 20 onwards in Bengaluru, while others will have to continue working from home.

"Only essential and critical number of employees required will be allowed to turn up. In the next two days, it will be reviewed and a suitable decision will be taken. 

All the details will be communicated to the IT companies," Narayan said here.

Earlier on Saturday, in a meeting to review COVID-19 situation in Karnataka, it was considered that one-third of the employees of IT and biotechnology companies could be allowed to work from the office premises, while the rest should continue to work from home.

Earlier on April 17, the Deputy CM, after holding a video conference meeting with heads of the IT and biotechnology companies, had told reporters that up to 50 per cent of the workforce would have the opportunity to function from office premises after April 20.