May 23, 2026

Science Chronicle

A Science and Technology Blog

May 23, 2026

Science Chronicle

A Science and Technology Blog

Month: March 2021

CoronavirusCOVID-19SARS-CoV-2Vaccines

Achieving COVID-19 vaccine equity by making comorbidities redundant for those above 45 years

By following the U.K. model of vaccinating people based on age bands rather than focussing on comorbidities, millions of people

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Clinical trialCoronavirusCOVID-19SARS-CoV-2Vaccines

Should Covaxin trial continue till 130 cases are recorded?

According to details posted on the clinical trial registry, the company had planned to “continue the phase-3 trial until 130

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CoronavirusCOVID-19SARS-CoV-2Vaccines

Will adenovirus antibodies reduce the efficacy of COVID-19 vector vaccines?

While it is unclear if pre-existing antibodies to adenovirus vector will affect vaccine efficacy, it is possible that repeated vaccination using adenovirus-based vaccine either as a booster or as annual vaccination, if the need arises, will result in reduced efficacy due to vector immunity.

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CoronavirusCOVID-19SARS-CoV-2Testing

As COVID-19 cases spike in a few States, what is causing a decline in Kerala?

Even as recently as March 6, March 4, March 3, March 2 and March 1 the Health Ministry mischievously implicated

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CoronavirusCOVID-19SARS-CoV-2Vaccines

Covaxin should no longer be available in ‘clinical trial mode’

The vaccine efficacy was measured based on symptomatic COVID-19 disease — mild, moderate or severe — two weeks after the

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CoronavirusCOVID-19SARS-CoV-2Vaccines

IGIB: In vaccinated people, Covishield first dose is highly immunogenic if already infected

The results have been posted on medRxiv preprint server. Preprints are yet to be peer-reviewed and published in scientific journals.

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CoronavirusCOVID-19SARS-CoV-2Vaccines

Doctors say comorbidities list for COVID-19 vaccination is highly restrictive

“The list of comorbidities provided by the Health Ministry is overly restrictive and complicated. Many conditions, including obesity, have been

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