澳洲邮政较早前发出通告，现阶段因为疫情的影响，航班减少，所有发往中国大陆(包含港澳台)及周边国家或地区的包裹都会受到不同延迟，请悉知

We advise our customers that due to the current situation in China there may be disruptions and delays to services. The disruptions are expected to affect mainland China as well as neighbouring territories.

source: https://auspost.com.au/about-us/news-media/important-updates/international-mail-updates#china