April 4, 2026

Science Chronicle

A Science and Technology Blog

April 4, 2026

Science Chronicle

A Science and Technology Blog

Author: Prasad Ravindranath

Communicable diseaseCOVID-19Public HealthSARS-CoV-2Testing

COVID-19: The revised testing strategy of the ICMR

The story so far: With the highly transmissive Omicron variant now recorded in most States, and given the mild symptoms seen

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HealthXenotransplantation

Will the pig-to-human heart operation lead to a new approach to organ transplantation?

The story so far: On January 7, David Bennett, a 57-year-old from Baltimore, Maryland, U.S. became the first person to receive a

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Clinical trialCommunicable diseaseCOVID-19Public HealthSARS-CoV-2Vaccines

COVID-19: Covaxin booster increases neutralising antibodies, study finds

The control arm of the study had 93 participants and the intervention arm had 91 participants, but most of these people were under 55 years

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Communicable diseaseCOVID-19Public HealthSARS-CoV-2Vaccines

COVID-19: Booster doses only mitigate disease severity, do not fully prevent infection

Though 90.8 million people above 60 years, 9.7 million health-care workers and nearly 17 million frontline workers have received the

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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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COVID-19Public HealthSARS-CoV-2

Conflicting signals from drug regulator, COVID-19 national task force

“Considering the emergency and unmet medical need in Covid-19, the SEC on December 27 recommended for grant of permission to

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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 diseasePublic HealthVaccinesWorld Health Organisation

Does Covaxin have WHO’s approval for use in children?

While clearly stating that teenagers aged 15 years or more (all those whose birth year is 2007 or before) will

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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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Communicable diseaseCoronavirusCOVID-19omicronPublic HealthSARS-CoV-2Testing

Is the current testing, sequencing strategy missing Omicron cases in India?

A November 30, 2021 circular from the health ministry clearly mentions that effective December 1, all passengers arriving from specified

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