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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 5: An FIR has been filed against former journalist and human rights activist Aakar Anil Patel in Bengaluru here over his comments on social media under charges pertaining to provocation with intent to cause riots.

The FIR was registered under Section 117 (abetting commission of an offence by the public or by more than ten persons), 153 (wantonly giving provocation with intent to cause riot), and 505-1-B (intent to cause, or which is likely to cause, fear or alarm to the public, or to any section of the public) of the Indian Penal Code (IPC) at the JC Nagar police station.

According to the FIR filed on June 2, Patel had tweeted that protests like the ones in the US over George Floyd's death are needed in India by the marginalised communities.

Patel, former chief of Amnesty International India, had on May 31 posted from his Twitter account, which is not verified.

On May 25, Floyd died in police custody in Minneapolis, Minnesota, following which protests against police brutality and racism erupted in various cities in the United States. The protests were later replaced by incidents of violence across the country.

India also has witnessed several cases of mob lynchings and custodial deaths in recent years. In most cases victims belong to down trodden communities such as Muslims and Dalits.

Responding to the development, Amnesty International India has said that FIR against Patel is another example of how the right to dissent is being "increasingly" criminalised.

"The Bengaluru police must stop abusing its authority and put an end to the intimidation and harassment of Aakar Patel for exercising his constitutionally guaranteed right to freedom of expression. People of this country have the right to agree or disagree with those in power, and to express these opinions in peaceful protests - without fear or unlawful interference," Amnesty International India Executive Director Avinash Kumar said.

He said that peacefully protesting against the government is not a crime and added that not agreeing with the policies of those in power does not make you a traitor.