April 3, 2026

Science Chronicle

A Science and Technology Blog

April 3, 2026

Science Chronicle

A Science and Technology Blog

Immunisation

CoronavirusCOVID-19ImmunisationSARS-CoV-2Vaccines

Natural immunity is superior to protection conferred by vaccination but not a safe, preferable option

Now, a vaccine effectiveness study undertaken in Israel has shown that natural infection confers stronger immunity against the SARS-CoV-2 virus

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CoronavirusCOVID-19ImmunisationSARS-CoV-2Vaccines

COVID-19: Misplaced priorities: Focus is on record vaccinations a day than consistency

A similar pattern was seen on June 21 when a record 8.7 million doses were administered on a single day

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CoronavirusCOVID-19ImmunisationSARS-CoV-2Vaccines

Can COVID-19 vaccination of healthcare workers be made mandatory?

Virologist Dr. Shahid Jameel Director of the Trivedi School of Biosciences at Ashoka University cites mandatory smallpox vaccination in several European countries. In 1853,

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CoronavirusCOVID-19ImmunisationSARS-CoV-2Vaccines

Two vaccine doses offer 77% protection against hospitalisation, CMC Vellore study finds

The study has been published in the journal Mayo Clinic Proceedings. “Our study shows that COVID-19 vaccines have a great

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CoronavirusCOVID-19ImmunisationSARS-CoV-2Vaccines

COVID-19: Government passes off factually incorrect vaccination information as ‘fact’

According to the PIB release, the myth was that the Centre wasn’t taking any step to vaccinate children. Clarifying this,

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CoronavirusCOVID-19ImmunisationPublic HealthSARS-CoV-2Vaccines

Why a dry run for COVID vaccination is needed

This is the first time a vaccine to be administered outside the universal immunisation programme and specifically for adults is to be rolled out. Since several aspects of the COVID vaccination programme are new, the government has rightly decided to undertake a dry-run for vaccine administration.

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Communicable diseaseHealthImmunisationMeaslesMedicineScienceVaccinesWorld Health Organisation

2.3 million children in India unvaccinated for measles, second highest globally 

At 2.3 million, India has the second highest number of children who are not vaccinated against measles. In 2017, 2.9

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HealthHealthcareImmunisationPublic HealthTuberculosis

Can health spending of 2.5% of GDP only by 2025 help achieve the goals set by India’s National Health Policy?

The long awaited National Health Policy announced a few days ago proposes to raise public health expenditure as a percentage

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HealthImmunisationMeaslesMedicineScienceVaccines

Low measles-rubella vaccination coverage may cause more cases of congenital rubella syndrome

Only about 50 per cent of children aged nine months to 15 years in Tamil Nadu have been vaccinated by

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