April 8, 2026

Science Chronicle

A Science and Technology Blog

April 8, 2026

Science Chronicle

A Science and Technology Blog

SARS-CoV-2

Clinical trialCommunicable diseaseCOVID-19ImmunisationVaccines

COVID-19: Are there clinical trial data to support a homologous vaccine booster?

This means those who have received Covishield as their first and second dose will receive Covishield as their third dose.

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Communicable diseaseCOVID-19omicronPublic HealthSARS-CoV-2

COVID-19: Even if mild, Omicron variant can overwhelming health-care settings

Huge percentage of the population in India got infected when the Delta variant raged through the country. Studies from other

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Communicable diseaseCOVID-19ImmunisationPublic HealthSARS-CoV-2Vaccines

COVID-19: India widens the vaccine safety net by immunising teenagers above 15 years

With all adults aged 18 years and above already being covered, the inclusion of teenagers has reduced the eligibility age

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Communicable diseaseCOVID-19Hybrid immunityImmunisationPublic HealthSARS-CoV-2Vaccines

COVID-19: The basis on which India approved precaution dose remains unclear

He said the primary focus of the government was on giving a second dose of the vaccine to make people

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Communicable diseaseCOVID-19omicronPublic HealthSARS-CoV-2

COVID-19: India should prepare for the worst with Omicron

The World Health Organization said the number of COVID-19 cases recorded globally shot up by 11% last week (December 20-26)

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AntiviralCOVID-19DrugsPublic Health

Two COVID-19 antivirals get FDA nod for emergency use

Unlike in the case of remdesivir, both the drugs — Pfizer’s paxlovid and Merck’s molnupiravir — are oral pills and

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CoronavirusCOVID-19omicronSARS-CoV-2

How the idea of COVID-19 vaccine protection changed in one year

On this day last year (December 11, 2020), Pfizer’s vaccine for COVID-19 was granted an emergency use authorisation, and exactly

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Clinical trialCoronavirusomicronSARS-CoV-2VaccinesWorld Health Organisation

Does the Omicron variant make a case for COVID-19 booster doses?

At a recent meeting, the National Technical Advisory Group on Immunisation maintained that it was not recommending a booster dose

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COVID-19deltaomicronSARS-CoV-2Vaccines

Groping in the dark on COVID-19 booster doses

Even when clamour from a few States for booster doses increased once the new variant with higher transmissibility causing a

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CoronavirusCOVID-19Public HealthSARS-CoV-2Serious Adverse Effectsvaccine-safetyVaccines

COVID-19: Mechanism of blood clots after Oxford vaccine administration found

Thrombosis with thrombocytopenia syndrome is a very rare serious adverse effects following vaccination using chimpanzee adenovirus Y25 (ChAdOx1), human adenovirus

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COVID-19omicronSARS-CoV-2

Criticised if delayed in sharing COVID-19 data, punished for diligently posting data

After the first infection by a new variant — it has 32 mutations in the spike protein alone — was

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CoronavirusSARS-CoV-2Vaccines

Covaxin elicits immune memory to virus up to six months, study finds

The study has been posted on a preprint server medRxiv. Preprints are yet to be peer-reviewed and published in a

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CoronavirusSARS-CoV-2

SARS-CoV-2 virus rages in Europe as epicentre shifts

The continent reported nearly two million new cases last week, the highest since the pandemic began, and more than half

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