Asian nations impose stricter Covid-19 restrictions due to Delta outbreaks.

 Asian countries from Australia to Japan and the Philippines announced tighter Covid-19 restrictions on Friday, as they battle worsening coronavirus outbreaks, driven by the more contagious Delta variant.

Detected in some 96 countries, the Delta variant, first identified in India, has become a concern globally, prompting even countries with advanced vaccination programmes such as the United States, Israel and Singapore to re-impose some restrictions.

but it is having a bigger impact on Asia where many countries are battling record cases now, as the region's low vaccination rates have left hundreds of millions of people exposed to the highly transmissible variant.

The U.S. Centers for Disease Control and Prevention (CDC) has described Delta to be as contagious as chickenpox and could cause severe illness, the New York Times reported, citing an internal CDC document.

The variant was also more likely to break through protections afforded by the vaccines, the report said, adding that the agency's reversal on guidelines for whether fully vaccinated Americans should wear masks was based on this document.

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