President Duterte received his first dose of COVID-19 vaccine from Chinese company Sinopharm last night. Sinopharm is one of the most expensive vaccines, but how different is it from other brands in terms of efficacy?<br /><br /><br />Visit our website for more #NewsYouCanTrust: https://www.cnnphilippines.com/<br /><br />Follow our social media pages:<br /><br />• Facebook: https://www.facebook.com/CNNPhilippines<br />• Instagram: https://www.instagram.com/cnnphilippines/<br />• Twitter: https://twitter.com/cnnphilippines