Coronavirus Briefing Newsletter – Times of India

  • India on Sunday reported 16,103 Covid cases and 31 deaths. The cumulative amount is 4,35,02,429 (1,11,711 active cases) and 5,25,199 deaths
  • All around the world: More than 548 million cases and more than 6.33 million deaths.
  • Vaccination in India: Over 1.97 billion doses. Worldwide: Over 11.75 billion doses.
Underweight? Vaccine effectiveness may be lower
Underweight?  Vaccine effectiveness may be lower
  • One research of Oxford University, published in Diabetes & Endocrinology Lancet says that the vaccine’s effectiveness may be slightly lower in people who are underweight than in people with a higher body mass index (BMI) and a healthy weight. The study assessed the risk of severe illness in vaccinated versus unvaccinated individuals with a minimum interval of 14 days after the second dose.
  • Research indicates that one of the reasons the effectiveness of the Covid-19 vaccine is lower in underweight people could be due to frailty or other conditions associated with low body weight. The researchers involved in the study also found that underweight people were also the least likely to be immunized, although among underweight people who were vaccinated, they were more likely to need to be hospitalized or not be able to be vaccinated. injectable Covid-19 has reduced by 50% by comparison. for unvaccinated individuals with the same BMI.
  • The study also found that people with a healthy or high BMI and who were vaccinated were 70 percent less likely to be hospitalized than unvaccinated people with the same BMI. They – those who were healthy or had a high BMI – were also two-thirds less likely to die than those who were not vaccinated two weeks after the second dose. However, people with very high BMIs negated any advantage with their much higher likelihood of being hospitalized than those with a healthy or moderately high BMI.
  • The study, which analyzed BMI data of 9,171,524 patients over 18 years of age who had not previously tested positive for Covid-19 between December 8, 2020 and November 17, 2021, showed that while someone with a BMI of 17 has a 50% increased risk of hospitalization compared to someone with a BMI of 23 – considered healthy – a person with a BMI of 44 has three times the risk of being hospitalized when pitted with people with a healthy BMI.
  • According to the study’s lead author, Dr Carmen Piernas of the Nuffield Department of Primary Care Health Sciences, at Oxford, the study’s findings “underline the need for targeted efforts to increase uptake vaccine intake in individuals with a low BMI, where uptake is currently lower than in those with a higher BMI. “
Mass ventilation a powerful weapon against Covid
Mass ventilation a powerful weapon against Covid
  • Experts are deeply concerned that the world has yet to use one of the most effective weapons against Covid – properly ventilating public spaces – in more than two years of the pandemic.
  • One big worry: Antoine Flahault, director of the Institute for Global Health at the University of Geneva, told AFP: “We need to reduce pollution levels, which vaccines cannot do alone. “We need a new phase – improving indoor air quality.”
  • Why: Although it is generally accepted that Covid can be transmitted within two meters through both droplets and aerosols, there is still no consensus on the importance of long-distance transmission in indoor air.
  • Research: A team of researchers from the UK Health Security Service and the University of Bristol reviewed 18 studies in several countries on airborne transmission.
  • Result: In research published this week, they found that people can infect each other when they are more than two meters apart.
  • Flahault called for a massive increase in funding to ventilate many public spaces, starting with schools, hospitals, public transport, offices, bars and restaurants. More details here
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Written by: Rakesh Rai, Sushmita Choudhury, Jayanta Kalita, Prabhash K Dutta, Tejeesh Nippun Singh
Research: Rajesh Sharma

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