The human body needs a lot of oxygen: about a cup a minute, just to stay alive. If we can’t get the amount we need because of injury or disease, like COVID-19, our bodies quickly start to suffer from oxygen deprivation. After just a few minutes, abnormally low oxygen levels […]
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Tras dos años de pandemia, todavía se confirman unas 50.000 muertes por covid cada semana en el mundo. Y la cifra real podría ser el doble o el triple. El nuevo coronavirus sigue matando a un número escandaloso de personas, sobre todo por la falta de vacunación en los grupos más vulnerables. […]
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An experimental saliva test can diagnose SARS-CoV-2 infection in minutes, nearly as accurately as gold-standard PCR tests, researchers believe. Typical saliva tests are unreliable unless done immediately after an overnight fast, because the concentration of virus particles in saliva drops steeply after eating or drinking. Like other rapid antigen tests, […]
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