April 5, 2026

Science Chronicle

A Science and Technology Blog

April 5, 2026

Science Chronicle

A Science and Technology Blog

COVID-19

Aerosol transmissionCoronavirusCOVID-19Public HealthSARS-CoV-2World Health Organisation

Viable coronaviruses collected from air more than six feet strengthens aerosol transmission

  Researchers have been able to isolate virus from air samples collected 2 to 4.8 metres away from the patients.

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CoronavirusCOVID-19Public HealthSARS-CoV-2

One more study shows people unexposed to novel coronavirus have pre-existing immunity

  One more study has shown that pre-existing T cell memory against four common cold coronaviruses can cross-recognise novel coronavirus

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CoronavirusCOVID-19IndiaPublic HealthSARS-CoV-2Testing

India will cross two million coronavirus cases today

  India reported one million cases of novel coronavirus and 25,000 deaths on July 16. In all likelihood, India will

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CoronavirusCOVID-19IndiaPublic HealthSARS-CoV-2Testing

On August 2, India recorded the highest daily fresh coronavirus cases in the world

  The total number of novel coronavirus cases reported in India crossed 1.8 million on August 2, while it also

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CoronavirusCOVID-19Public HealthSARS-CoV-2

Novel coronavirus lineage circulated unnoticed in bats for decades, study says

  SARS-CoV-2 virus diverged from closely related bat viruses 40-70 years ago. Novel coronavirus had not arisen from recombination of

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ChinaCoronavirusCOVID-19Public HealthSARS-CoV-2

An asymptomatic superspreader in China transmits coronavirus to 71 people

  One more instance of a superspreader spreading coronavirus to 71 people in China has been documented. The superspreader continued

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CoronavirusCOVID-19Public HealthSARS-CoV-2Viral load

Young children have high coronavirus load than older children, adults

Children younger than five years are susceptible to coronavirus infection but generally present with mild symptoms compared with older children

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Aerosol transmissionCoronavirusCOVID-19IndiaPublic HealthSARS-CoV-2World Health Organisation

With coronavirus cases continuing to rise, it’s too early to open gyms

The government has permitted gyms to open from August 5 at a time when daily fresh coronavirus cases in India

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Aerosol transmissionCoronavirusCOVID-19MaskPublic HealthSARS-CoV-2World Health Organisation

How wearing masks cut coronavirus transmission to 139 clients in a salon

  Vigilant mask wearing by two hair stylists working at a salon in Springfield, Missouri in the U.S. and all

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CoronavirusCOVID-19Public HealthSARS-CoV-2

Mothers unlikely to transmit coronavirus to newborns if precautions are taken

  An observational study of 120 babies found no transmission of novel coronavirus from infected mothers to newborns up to

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CoronavirusCOVID-19Public HealthSARS-CoV-2TestingWorld Health Organisation

Finally, Tamil Nadu to resume contact tracing with earnestness

  Aggressive testing since mid-June in hotspot areas in Chennai and the 12-day lockdown that went into effect from June

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CoronavirusCOVID-19IndiaPublic HealthSARS-CoV-2Testing

Coronavirus spread shifts from large to smaller Indian cities

  In the last one month, cases in seven large Indian cities have reduced from 59% to 50% and deaths

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Clinical trialCoronavirusCOVID-19Pharmaceutical companiesPublic HealthSARS-CoV-2Vaccines

Serum Institute has begun manufacturing Oxford coronavirus vaccine

  The Pune-based Serum Institute of India has already begun manufacturing the Oxford vaccine (ChAdOx1 nCoV-19) for novel coronavirus. The

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