Going viral: five of the most important things we’ve learnt about Covid-19 so far | Hassan Vally

The past few weeks in Victoria highlight how quickly things can turn. We have a long way to go

Even though it's been only six months since we first heard about a novel coronavirus circulating in China, so much has happened that it's all a bit of a blur. What we do know is that we have a long way to go and there are many challenges that lie ahead of us. Although many countries have managed to gain control over virus transmission for now, these past few weeks in Victoria have highlighted how quickly things can turn and how little it takes for a resurgence in case numbers to occur.

There is still much that we don't understand completely, including key matters like how it affects the body and the way the immune system responds to infection. But every day we spend with this virus we are gaining a greater understanding of it, which means we are better placed to bring this pandemic under control and save lives. Here are five of the most important things we've learnt so far.