For example, we would suggest from this study that the threshold for prescribing steroids, which reduces mortality in severely ill individuals, should be lowered among PCR-negative patients with ...

A new variant of Covid could be the cause of strange PCR and LFT results being reported by Brits across the country. Dozens of people in the South West last week reported testing negative on their ...

You will need to show proof of your vaccination or a negative PCR test taken in the last 72 hours. An example of vaccination proof would be the CDC COVID-19 vaccination card in paper or electronic ...

But PCR tests can take a day or longer to process, while rapid test results are available within 15 minutes. Advertising If you have COVID-19 symptoms and get a negative rapid test result ...