Plenty of questions remain about how children are affected by coronavirus, what symptoms they show and how they transmit it.

But a study from China has shed some light on this.

Not only are kids being affected by COVID-19, the virus seems to remain in their poo for much longer than you'd think.

On the show today:

* What does a state of emergency mean?

* Will the 14-day overseas quarantine work?

* Should I cancel my small party or wedding?

And Dr Norman Swan has some new research (with some caveats) about how kids may be affected by the virus.

Coronacast is a daily podcast that’s all about answering your coronavirus questions.

If you want to send in a question, go to abc.net.au/coronavirus and we might answer it tomorrow on the podcast.