April 2, 2026

Science Chronicle

A Science and Technology Blog

April 2, 2026

Science Chronicle

A Science and Technology Blog

COVID-19

Clinical trialCoronavirusCOVID-19Public HealthSARS-CoV-2VaccinesWorld Health Organisation

Results of coronavirus vaccine trials call for cautious optimism

  Never before have candidate vaccines been developed from scratch, tested on animals and completed early stages of human clinical

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CoronavirusCOVID-19SARS-CoV-2

COVID-19: What explains the low case fatality rate in India

  The case fatality rate in India, which has been falling steadily, has for the first time dipped below the

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Clinical trialCoronavirusCOVID-19Public HealthSARS-CoV-2Vaccines

Phase-2 trial: Adenovirus COVID-19 vaccine Ad5-nCoV found safe, immunogenic

Phase-2 trial using a single dose of recombinant adenovirus vaccine (Ad5-nCoV) vector carries the genetic material that codes for spike

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Clinical trialCoronavirusCOVID-19Public HealthSARS-CoV-2Vaccines

Oxford coronavirus vaccine is safe, immunogenic, preliminary phase-1/2 trial shows

The preliminary results of the Phase-1/2 clinical trial of the Oxford vaccine shows the vaccine is safe, well-tolerated, and immunogenic.

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CoronavirusCOVID-19IndiaPublic HealthSARS-CoV-2

A report card of States as coronavirus cases cross one million in India

With surveillance not being commendable, the 10.3% test positivity rate nationally in the last few days is a clear indication

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Clinical trialCoronavirusCOVID-19Public HealthSARS-CoV-2Vaccines

Moderna’s coronavirus vaccine is safe, immunogenic, interim phase-1 results show

Moderna’s candidate mRNA vaccine for novel coronavirus has no safety issues and is able to elicit immune responses in all

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CoronavirusCOVID-19DiagnosticsPublic HealthSARS-CoV-2

Probe-free RT-PCR COVID-19 detection assay developed by IIT Delhi

  A low-cost, probe-free RT-PCR COVID-19 detection assay developed by IIT Delhi will be launched tomorrow (July 15). The assay

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CoronavirusDiagnosticsPublic HealthSARS-CoV-2

Aptamer-based assay developed for coronavirus detection

  Researchers from the Faridabad-based Translational Health Science and Technology Institute (THSTI) have developed an Aptamer-based assay for novel coronavirus

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CoronavirusCOVID-19HealthPublic HealthSARS-CoV-2

U.S. reports 30,755 excess, unaccounted deaths by end-April

  When COVID-19 deaths in the U.S. stood at 56,246 on April 25, it is been estimated that 30,755 excess

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CoronavirusCOVID-19Public HealthSARS-CoV-2Vaccines

Some people unexposed to novel coronavirus have pre-existing immunity

  At least five studies found people unexposed to novel coronavirus exhibiting T cell immune responses specific to SARS-CoV-2. This

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Aerosol transmissionCoronavirusSARS-CoV-2

Exhaled breath of COVID-19 patients found to contain novel coronavirus

  The study found a few patients exhaled coronavirus into the air at an estimated rate of 1000-1,00,000 RNA copies/minute.

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Aerosol transmissionCoronavirusSARS-CoV-2

WHO acknowledges airborne transmission of coronavirus in closed settings, and asymptomatic spread

  The World Health Organization on July 9 acknowledged that novel coronavirus can be airborne in closed settings and spread

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U.S. withdrawal from WHO is a lose-lose proposition for all

  The capricious decision to withdraw from WHO will have dire consequences for global public health. The departure of the

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