A look at the top medical headlines for the week of June 6, 2021 including: Scientists have come up with a test that can tell in less than an hour whether you’re sick with a virus or bacteria. Then a study finds that there are changes in the blood that can predict a pregnant woman's due date more accurately than today's obstetricians. And finally, the impact of COVID-19 may be felt on the environment for centuries to come as discarded masks and gloves have already been washing up in remote places.