Coronavirus Briefing Newsletter – Times of India

  • India on Friday reported 15,754 Covid cases and 47 deaths. Cumulative amount is 4,43,14,618 (1,01,830 active cases) and 5,27,253 deaths
  • All around the world: Over 594 million cases and more than 6.44 million deaths.
  • Vaccination in India: More than 2.09 billion doses. Worldwide: More than 12.06 billion doses.
The impact of Covid-19 on the brain lasts for two years or more
The impact of Covid-19 on the brain lasts for two years or more
  • Survivors of covid remain at risk for neurological and psychiatric conditions such as dementia and seizures for at least two years – higher than other respiratory infections, according to a large study. according to a large study published In Lancet Department of Psychiatry magazine.
  • Research: Researchers from the University of Oxford extracted data from the TriNetX electronic health record network, which contains unidentified patient healthcare data from a number of countries, including India Degree.
  • They then identified more than 1.48 million patients, including children and people over the age of 65, with a recorded diagnosis of Covid-19 during the study period, January 20, 2020. April 13, 2022. These patients were matched with an equal number of patients with other respiratory infections to serve as a control group.
  • Findings: The team found that, in adults, the risk of common psychiatric problems such as mood disorders or an anxiety diagnosis initially increased after SARS-CoV-2 infection but returned to baseline within for two months, similar to the control group.
  • In the case of depression, the study reported an increased incidence and relative risk of depression six months after Covid-19, compared with the flu.
  • However, the risk of cognitive deficits (called brain fog), dementia, psychosis, and seizures or convulsions remained increased at the end of the 2-year follow-up period.
  • The likelihood of most neurological and psychiatric diagnoses after Covid-19 is lower in children. However, like adults, children are more likely to be diagnosed with certain illnesses, including seizures and psychosis over the long term.
  • Main lesson: “With Omicron, mortality was lower just before the variant appeared, but the risks for neurological and psychiatric outcomes remained similar,” the study said.
Half of people with Omicron don’t know they have it
Half of people with Omicron don't know they have it
  • The majority of people potentially infected with the Omicron variant of SARS-CoV-2, the virus that causes Covid-19, don’t know they have the virus, according to a new study.
  • The researchers from the Smidt Heart Institute in Cedars-Sinai included 2,479 people who contributed blood samples just before or after starting Omicron surgery. They identified 210 people likely to be infected with the Omicron variant based on the levels of new SARS-CoV-2-positive antibodies in their blood.
  • Findings, published In Open JAMA Network, showed that only 44% of participants with positive SARS-CoV-2 antibodies were aware of being infected with the virus. The majority (56%) are unaware of any recent Covid-19 cases.
  • Of the study participants who didn’t know, only 10% said they had any recent symptoms that they attributed to the common cold or another type of infection.
  • Previous studies have estimated that at least 25% and possibly up to 80% of people infected with SARS-CoV-2 may not experience symptoms. Compared to other variants, the Omicron variant is associated with generally less severe symptoms that may include fatigue, cough, headache, sore throat or runny nose.
  • According to the investigators, more studies involving large numbers of people from different ethnicities and communities are needed to understand what specific factors are associated with a lack of awareness about infection.
  • In the meantime, please don’t give up masks and other Covid protocols anytime soon.
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Written by: Rakesh Rai, Sushmita Choudhury, Jayanta Kalita, Prabhash K Dutta
Research: Rajesh Sharma

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