Temperatures are dropping around Australia as we approach winter, and there have been concerns the coronavirus could flare up just as we seem to be getting it under control. Dr Norman Swan takes a look. For more from ABC News, click here: https://ab.co/2kxYCZY You can watch more ABC News content on iview: https://ab.co/2OB7Mk1 Subscribe to us on YouTube: http://ab.co/1svxLVE Go deeper on our ABC News In-depth channel: https://ab.co/2lNeBn2 You can also like us on Facebook: http://facebook.com/abcnews.au Or follow us on Instagram: http://instagram.com/abcnews_au Or even on Twitter: http://twitter.com/abcnews