April 1, 2026

Science Chronicle

A Science and Technology Blog

April 1, 2026

Science Chronicle

A Science and Technology Blog

Month: August 2020

CoronavirusCOVID-19EducationIndiaPublic HealthSARS-CoV-2

Reopening schools in India before coronavirus spread is reduced can be disastrous

  At a time when coronavirus cases in India are showing a rising trend and when daily fresh cases reported

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ChinaCoronavirusCOVID-19EthicsPublic HealthSARS-CoV-2Vaccine hesitancyVaccines

Why Russia’s rushed-up coronavirus vaccine is mired in ethical, safety landmine

  Russia registering a vaccine for novel coronavirus even before beginning a Phase-3 trial and promising to  begin full-scale production

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CoronavirusCOVID-19Herd immunityPublic HealthSARS-CoV-2

T cell memory that cross-reacts with novel coronavirus does not prevent infection, researcher clarifies

  The presence of pre-existing T cell memory against four common cold coronaviruses which cross-reacts with novel coronavirus may not

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Aerosol transmissionCoronavirusCOVID-19MaskPublic HealthSARS-CoV-2

Two-layered polypropylene mask doubly better than a single-layered cotton mask, study finds

While fitted N95 masks allowed zero droplets to pass through, the three-layered surgical masks too performed very well with 0-10%

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CoronavirusCOVID-19ICMRPublic HealthSARS-CoV-2Testing

COVID-19: India needs to ramp up testing but shouldn’t over-rely on rapid antigen tests

  With over 60,000 daily fresh cases, India has been reporting the highest numbers in the world for the last

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CoronavirusCOVID-19Public HealthSARS-CoV-2

Nearly 100,000 children in the U.S. infected with coronavirus in just two weeks

  Nearly 1,00,000 (97,078 to be specific) children were infected with novel coronavirus in just two weeks during the period

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CoronavirusCOVID-19Herd immunityPublic HealthSARS-CoV-2Vaccines

Is there a case for issuing immunity certificates to COVID-19 recovered people?

  While there is a clear case for ‘immunity passports’ with some restrictions for people who have recovered from COVID-19,

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CoronavirusCOVID-19Public HealthSARS-CoV-2Viral load

Asymptomatic people carry same amount of coronavirus as those with symptoms

  A study has found that people who are infected with novel coronavirus but don’t exhibit symptoms carry the same

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Aerosol transmissionCoronavirusCOVID-19Public HealthSARS-CoV-2World Health Organisation

Viable coronaviruses collected from air more than six feet strengthens aerosol transmission

  Researchers have been able to isolate virus from air samples collected 2 to 4.8 metres away from the patients.

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CoronavirusCOVID-19Public HealthSARS-CoV-2

One more study shows people unexposed to novel coronavirus have pre-existing immunity

  One more study has shown that pre-existing T cell memory against four common cold coronaviruses can cross-recognise novel coronavirus

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CoronavirusCOVID-19IndiaPublic HealthSARS-CoV-2Testing

India will cross two million coronavirus cases today

  India reported one million cases of novel coronavirus and 25,000 deaths on July 16. In all likelihood, India will

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CoronavirusCOVID-19IndiaPublic HealthSARS-CoV-2Testing

On August 2, India recorded the highest daily fresh coronavirus cases in the world

  The total number of novel coronavirus cases reported in India crossed 1.8 million on August 2, while it also

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CoronavirusCOVID-19Public HealthSARS-CoV-2

Novel coronavirus lineage circulated unnoticed in bats for decades, study says

  SARS-CoV-2 virus diverged from closely related bat viruses 40-70 years ago. Novel coronavirus had not arisen from recombination of

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