Coronavirus Briefing Newsletter – Times of India

  • India on Friday reported 1,997 Covid cases and 9 deaths. Cumulative amount is 4,46,06,460 (30,362 active cases) and 5,28,754 deaths
  • All around the world: More than 6.20 million cases and more than 6.55 million deaths.
  • Vaccination in India: More than 2.18 billion doses. Worldwide: More than 9.06 billion doses.
Twindemic of Covid and Dengue cause confusion in many cases
Twindemic of Covid and Dengue cause confusion in many cases
  • Amid a spike in dengue cases, many people infected with the virus are showing “duplicating symptoms” of Covid-19 and the vector-borne disease, confusing both patients and doctors about the primary diagnosis. corpse.
  • Cases of vector-borne disease are usually reported from July to November, sometimes lasting until mid-December.


  • Its symptoms include high fever, headache, rash and muscle and joint pain, quite similar to Covid-19, also including fever or chills, muscle or body aches, fatigue and headache.
  • In such a situation, it is difficult to determine whether a person with fever, body aches and headaches is Covid positive, the doctors said.

What do experts say?

  • “Covid cases are going down now, but the virus is still there. I am still seeing Covid cases in my OPD. In the last 3-4 days, two cases were detected in OPD and one later. That’s in the ICU. However, on an average, dengue infections are increasing right now,” said Dr. Suranjit Chatterjee, senior consultant at Apollo Hospital.
  • In many workplaces, employees continue to work despite a cough, cold or sore throat, whereas earlier when Covid-19 cases were on the rise, it would have been a strict choice of regime. ‘work from home’. for them, the doctors said.
  • And people have largely abandoned the mask and distancing precautions that earlier in the pandemic also helped prevent the spread of other respiratory bugs like the flu.
  • Chatterjee added: “However, I would advise people not to treat any fever as a common cold, and if their symptoms are persistent and severe, consult a doctor. Than here
Your mouthwash can block the entry of SARS-CoV-2
Your mouthwash can block the entry of SARS-CoV-2
  • A new study has found that a chemical found in some mouthwashes can block the entry of the virus that causes Covid’s SARS-CoV-2 into body cells.
  • Commercially available mouthwashes contain several antibiotic and antiviral ingredients that work against microorganisms in the mouth, researchers say.

Protected Area

  • Cetylpyridinium chloride (CPC) has been found to reduce the viral load of SARS-CoV-2 in the mouth, primarily by disrupting the lipid membrane surrounding the virus, the researchers said.


  • Published in the journal Scientific Reports, the study found that within 10 minutes of application, 30–50 micrograms per milliliter (µg/mL) of CPC inhibited the infectivity and ability of SARS to enter cells. -CoV-2.
  • Researchers at Hokkaido University, Japan, studied the effects of CPCs in Japanese mouthwashes that typically contain a smaller fraction of the chemical than previously tested mouthwashes.
  • The researchers tested the effects of CPC on cell cultures transmembrane-expressing serine protease 2 (TMPRSS2), an enzyme required by SARS-CoV-2 to enter cells.
  • The study also showed that saliva did not alter the effects of CPC.

Variants tested

  • The researchers tested four variants of SARS-CoV-2 – Original, Alpha, Beta and Gamma – and found that the effects of CPC were similar across all strains.
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Written by: Rakesh Rai, Sushmita Choudhury, Jayanta Kalita, Prabhash K Dutta
Research: Rajesh Sharma


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