Manila Mayor Isko Moreno is urging the national government to buy more medicines to treat COVID-19 instead of millions of face shields.<br /><br />While the government is not keen on lifting the mandate, a wind dynamics expert says face shields may even increase the risk of exposure to the disease.<br /><br />To explain how, we have Wind Engineer Joshua Agar.<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<br />
