Get lost easily? Might not be your fault.
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Our reactions can sometimes make it worse.
Findings from Brazil, Sweden, and the United Kingdom show that, before the arrival of Omicron, vaccination benefited even those who had previously contracted COVID-19.
La temperatura atmosférica del gigante helado ha sufrido cambios inesperados en las dos últimas décadas.
Un estudio preliminar detecta que los pacientes hospitalizados por COVID-19 presentan diferencias particulares en la longitud de los dedos.