Spain's Fernando Verdasco questioned the French Open's COVID-19 testing protocols on Friday after having to withdraw from the tournament due to a positive result, which he deemed was false.
Tesla Inc Chief Executive Officer Elon Musk questioned the accuracy of COVID-19 tests on Thursday after claiming that results showed he tested positive twice and then negative twice all on the same ...
A false negative on a pregnancy test means the test says you're not pregnant when you actually are. Here's how it could happen to you.
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