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Issues and Investigations

Coronavirus: Nearly Third of Symptomless People May Have Developed Immunity, Study Says

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Covid-19 immunity levels in the public could be as high as 30 per cent, according to a new international study. Researchers at the Karolinska Institutet in Sweden found that people with mild or no symptoms had developed “T-cell” immunity — despite testing negative for antibodies that fight the novel disease.  T-cells are a type ...

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Coronavirus: ‘Significant step’ in development of vaccine for animals


Two potential vaccines designed to tackle Covid-19 in animals have proved successful in laboratory tests, scientists say. Researchers at the Vaccine Group, which works with the University of Plymouth, said the development marks a significant step forward in eliminating Sars-CoV-2 in existing animal sources.  Such vaccines could also be used to ensure that cats ...

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