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Big Pharma and the cost of developing COVID-19 drugs and vaccines | Counting the Cost

The race to develop vaccines and treatments for the coronavirus pandemic is entering a crucial stage with large-scale trials under way. But with seemingly little oversight on pricing, some experts are concerned that pharmaceutical companies could end up charging way too much for COVID-19 treatments. And if rich nations corner the market on vaccines, they could also limit accessibility for low-income countries. Plus, Twitter found itself at the centre of a hack that compromised its high-profile users' accounts. We talk to the CEO of a Silicon Valley company that uses biometrics and artificial intelligence to protect accounts. Subscribe to our channel: http://aje.io/AJSubscribe Follow us on Twitter:   / ajenglish   Find us on Facebook:   / aljazeera   Check our website: https://www.aljazeera.com/