Two biotech companies, Exact Sciences and Guardant Health, engaged in a heated public rivalry on social media over the development of new colon cancer screening tests. Guardant Health’s co-CEO challenged Exact Sciences’ CEO to a $1M bet on the accuracy of Exact’s data on their blood-based colon cancer test. The challenge was made prior to Exact Sciences presenting their data at a medical oncology conference. This public confrontation between the two companies is unusual in the biotech industry, where competition is common but typically not as openly confrontational.
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