April 2, 2026

Science Chronicle

A Science and Technology Blog

April 2, 2026

Science Chronicle

A Science and Technology Blog

Year: 2025

Communicable diseaseCOVID-19Public HealthSARS-CoV-2Vaccines

In haste: On vaccinating children against COVID-19

India could have waited for evidence of benefit of vaccinating all children The emergency use authorisation (EUA) granted on April 26

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Communicable diseaseMonkeypoxPublic Health

Is monkeypox a sexually transmitted infection?

A study found monkeypox virus in the seminal fluid of four men who had sex with men

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Communicable diseaseCOVID-19ImmunisationPublic HealthSARS-CoV-2Vaccines

Boost for boosters: On Corbevax as booster dose

With the approval of Corbevax as a booster dose, India will have a heterologous shot

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Communicable diseaseMonkeypoxPublic Health

Monkeypox virus mutates at a higher rate

The mutation pattern does not conclusively prove sustained human-to-human transmission

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Communicable diseaseMonkeypoxPublic Health

Mistake of ignoring monkeypox outbreak in Nigeria 

There are no clear answers to how humans are infected as the host animal has not been identified

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CoronavirusCOVID-19SARS-CoV-2

Why pangolins may not be the intermediate host for SARS-CoV-2 virus

Pangolin coronavirus produced moderate disease in hamsters and was less virulent

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ImmunisationomicronPublic HealthSARS-CoV-2Vaccines

COVID-19 booster dose may not alter disease severity trend

A cross-sectional survey of nearly 6,000 people across age groups including those over 80 years of age carried out through

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COVID-19omicronResearchSARS-CoV-2

Why cats and dogs are less susceptible to Omicron

The progenitor of the Omicron variant might have emerged in mice and then spread to humans

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COVID-19Hybrid immunityImmunisationResearchVaccines

COVID-19 immunity following infection lasts up to 19 months

Hybrid immunity after one and two doses of vaccine was associated with 94% and 90% lower risk of hospitalisation, respectively

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Communicable diseaseCOVID-19omicronPublic HealthSARS-CoV-2

Not mild for all: On community transmission of Omicron

India has admitted community transmission in the belief Omicron is mild Even at the peak of the second wave in

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Communicable diseaseomicronPublic HealthSARS-CoV-2

T cell immune responses seen a year after infection

Strong and longstanding T cell responses were seen even when people were not reinfected or vaccinated

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COVID-19omicronSARS-CoV-2

Recombination of two virus variants seen since 2020

The Alpha and Wuhan strain recombinant was the first; the latest is a mixture of two Omicron sub-lineages Mutations are

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Communicable diseaseCOVID-19deltaomicronPublic HealthSARS-CoV-2

Children more unlikely to produce antibodies against SARS-CoV-2 virus

Study comparing adults and children was done when Wuhan strain was in circulation; results may not hold true for Delta and Omicron

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