French experts spot ‘Breton’ Covid variant which ‘may fully evade tests’
French experts spot ‘Breton’ Covid variant which ‘may fully evade tests’ – but say mutant strain is no deadlier or more transmissible than original virus Eight cases of the ‘Breton’ strain were detected in a hospital in region of Brittany Despite being infected with virus, the patients’ PCR test results were negative Thought to be … Read more