Genes responsible for long lifespan of banyan, peepal trees identified
Seventeen genes in banyan and 19 genes in peepal with multiple signs of adaptive evolutionplayed a pivotal role in long-time survival of the trees
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Science
More vaccine choices: On Bharat Biotech’s intranasal COVID-19 vaccine
Nearly three months after Bharat Biotech’s intranasal COVID-19 vaccine was granted emergency use approval for primary vaccination of adults, the vaccine has now
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Vaccine trial soon amid fear of Ebola virus spread to other countries
Currently there are no vaccines available for the Sudan strain of the Ebola virus
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Two monkeypox cases in India not linked to Europe
The genetic sequences of monkeypox virus strongly suggested that there were two distinct monkeypox outbreaks
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Time for vigilance as India detects monkeypox cases
Increased testing and building awareness, not stigmatising the infected, can stop the spread of monkeypox
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COVID-19 saw more retractions in science journals than preprints
A small study has found that 143 peer-reviewed journal papers were retracted compared with just 40 retracted preprints
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Monkeypox virus mutates at a higher rate
The mutation pattern does not conclusively prove sustained human-to-human transmission
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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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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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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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Human challenge study finds high viral shedding in asymptomatic people
The study first detected the virus in the throat and the nose two days before peak symptoms showed up
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IGIB develops future-proof primers, kits for RT-PCR test for SARS-CoV-2
The pool of primers has been developed to target regions of the virus which are unlikely to undergo mutations
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Faster spread of Omicron is not due to higher viral load
Omicron has replaced the Delta variant, which was considered highly transmissible, in almost every country across the world
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