An infectious disease expert says the new COVID-19 subvariant is causing a spike in cases. But he turns down calls to make face masks mandatory again.

Page Javier tells us more.

Visit our website for more #NewsYouCanTrust: https://www.cnnphilippines.com/

Follow our social media pages:

• Facebook: https://www.facebook.com/CNNPhilippines
• Instagram: https://www.instagram.com/cnnphilippines/
• Twitter: https://twitter.com/cnnphilippines