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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.

Mangaluru, Mar 21: Taking strict measures to contain the spreading of COVID-19, Dakshina Kannada Deputy Commissioner Sindhu B Rupesh, who is also District Magistrate, ordered sealing of road connectivity leading to Kerala State for all kinds of traffic from March 21 to midnight of March 31.

No vehicles will be allowed to operate between Dakshina Kannada and Kasaragod district in Kerala, the Deputy Commissioner said in a late-night order on Friday.

Ms. Rupesh said that in case of any emergency, vehicles will be allowed only through the Talapady check post on the National Highway 66, which is about 17 km away from Mangaluru city.

The Deputy Commissioner’s order came after the Kasaragod district reported six COVID-19 positive cases on Friday.

The order said that many vehicles operated between Kasaragod in Kerala and Mangaluru and hence, there is a need to take precautionary measures.

Private buses to not ply

Private bus operators in Dakshina Kannada will not operate their buses on March 22 to support the ‘Janata Curfew’ called by Prime Minister Narendra Modi.

Dilraj Alva, president, Dakshina Kananda Bus Operators’ Association, said in a release on Friday that people should remain in their homes on Sunday to help contain the community spreading of COVID-19. The decision has been taken in the interest of the public, he said.

New Delhi, May 1: The Ministry of Home Affairs (MHA) on Friday issued an order under the Disaster Management Act, 2005 to further extend the lockdown for a further period of two weeks beyond May 4.

The current lockdown period is scheduled to end on May 3.

"After a comprehensive review and in view of the lockdown measures having led to significant gains, the COVID-19 situation in the country, Ministry of Home Affairs issued an order under the Disaster Management Act, 2005, today, to further extend the lockdown for a further period of two weeks beyond May 4, 2020," read the order of the Home Ministry.

In red zones and outside containment zones, certain activities including plying of cycle rickshaws and auto-rickshaws, taxis and cab aggregators, intra-district and inter-district plying of buses and barber shops, spas and salons will be prohibited in addition to those prohibited throughout India.

A limited number of activities will remain prohibited across the country, irrespective of the zone, including travel by air, rail, metro and inter-state movement by road, running of schools, colleges, and other educational and training/coaching institutions, the order said.

This came after Prime Minister Narendra Modi's meeting with chief ministers of several states last month where some of them suggested extension of lockdown.