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**What’s That Rash?**

Get answers to the health questions everyone’s asking. Our experts give you the information you need to feel good and make the best decisions for your brain and body.

Latest Episodes:

Will coronavirus kill off birthday candles and choirs? May 15, 2020

Show notes

When you start thinking about it, coronavirus is going to change so many things we previously took for granted.

Birthday cakes for example. It's probably not a great idea to be blowing out the candles.

And if overseas experiences are anything to go by, loud boisterous singing in choirs may also be problematic.

So what else might change?

On today's show:

* Is the risk of transmission high for those singing in choirs?

* How do I blow out candles on a cake?

* How do asymptomatic people transmit the virus if they're not coughing?

* I was tested a few weeks ago because I had a sore throat. It's back. Should I get tested again?

* Does coronavirus cause the common cold? There's no vaccine for that.

* Does everyone who gets coronavirus develop COVID-19?

* When you say 'kids', what do you mean?

* I haven't worn shoes for a while. Now my old shoes hurt. Can my feet get bigger?

How much coronavirus research is useless and wasteful? May 14, 2020

Show notes

Ever since coronavirus appeared, scientists and researchers around the world have been scrambling to find out as much as they can about it.

So much so that there's now enormous overlap in trials and reviews of COVID-19 evidence.

It's led to concerns that resources are being wasted, especially in areas of drug trials because many studies are poorly designed and not actually revealing any useful information.

On today's show:

* How much coronavirus research is wasteful?

* What's the point of quarantine if some people remain infectious for more than two weeks?

* If I have a flu vaccination and get a slight reaction do I need to be tested for coronavirus?

Was coronavirus 50 years in the making? May 13, 2020

Show notes

There are all sorts of coronavirus origin stories, ranging from secret US military plots to disastrous accidental leaks from Chinese labs.

But studying the evolutionary history of the SARS-COV-2 virus reveals that those stories are unlikely.

So what is the most likely explanation for where the virus came from and could it be that it's been circulating in humans for far longer than we think?

On today’s episode:

* We revisit some of the origin stories of the novel coronavirus

* If someone is asymptomatic with COVID-19, what's the maximum time they could be contagious?

* Is it true that people who recover from the virus are left with serious holes in their lungs?

And Norman talks about a paper that looks at a tuberculosis vaccine and if it could be useful in protecting against COVID-19.

Weighing up death. The cost of lockdowns vs no lockdowns May 12, 2020

Show notes

The way different countries have responded to coronavirus has been incredibly varied.

Some have tried to keep as much open as possible, others have gone for hard lockdowns at enormous economic cost.

Australia has been towards the stricter end of the scale. So was it worth it? Will it end up costing more lives than it saved?

On today's episode:

* What are the recommendations for getting kids tested?

* What if you know someone has COVID-19 symptoms but isn't getting tested?

* Could we train dogs to sniff out coronavirus?

* Is it safe to re-enter the pool?

And are the lockdowns worth the cost? A few articles lately say yes, both in economic terms and total lives saved.

As restrictions ease, here's how to avoid the virus May 11, 2020

Show notes

Most states and territories are moving to the next phase of our coronavirus pandemic journey, with some public spaces reopening, larger public gatherings permitted and an increase in the size of our social bubbles.

But as we creep back into the world, there is always the risk of another outbreak.

On today's Coronacast, Dr Norman Swan and health reporter Tegan Taylor discuss some simple ways you can keep yourself healthy and coronavirus-free while also enjoying your new freedoms.

Also on the show:

* How we can beat the Prime Minister's goal of reopening Australia's economy before July?

* What are sentinel tests and why are they so important in Australia's coronavirus fight?

* If so many COVID-19 cases are asymptomatic, will ramped-up testing lead to a massive spike?

Tegan and Norman also look at some modelling from Sydney University that predicts a suicide epidemic curve, but also shows what can be done now to flatten it.

If you or someone you know needs help, call Lifeline on 13 11 14.

Has coronavirus really split into two strains – and does it matter? May 08, 2020

Show notes

You might have seen the study that found there may be a more contagious strain of coronavirus floating around.

It turns out though that it's quite a controversial paper, and some experts are downplaying the findings.

For starters, the more contagious strain is already the one that's in Australia.

And secondly, while it may be more contagious it's no more dangerous than the other strain.

On today's show:

* I heard there are two strains. What’s that about?

* Is there an accurate antibody test yet?

* Would testing for antibodies at the airport mean I could avoid 14-day quarantine if I'd already had COVID-19?

* I live in Australia and got sick before Christmas with coronavirus symptoms. Could I have had it?

* Can Norman be President of the USA?

And Norman's found a study that looked at anti-vaccination views and what that might mean if there's ever a SARS-COV-2 vaccine.

Why might coronavirus become more "gentle" in time? May 07, 2020

Show notes

Like all living things, coronavirus will evolve and mutate, but that's not necessarily something to be feared.

While the virus that causes COVID-19 is dangerous and deadly, if history is anything to go by, any mutations may calm it down a bit.

In fact, a mutation might be in the interests of both humans and the virus.

On today's episode:

* When does it turn from a blip in cases into a second wave?

* What should I do if someone needs CPR?

* Why might SARS-COV-2 turn into a more "gentle" virus?

* Is the virus blood type specific?

And Norman has a very interesting piece of research from France. The research found a patient who had the SARS-COV-2 virus in December - a month before the country's first reported case. And the patient had no travel history to China.

What's behind the sudden uptick in coronavirus cases? May 06, 2020

Show notes

One of the realities of this coronavirus pandemic is that you think you're doing a good job and then suddenly there's an outbreak.

Some states might be consistently reporting zero cases, but others are struggling with growing clusters.

So why has the infection rate suddenly increased?

On today's episode:

* Is the uptick in cases because of people travelling at Easter a few weeks ago?

* Should I be worried about the increased number of cases?

* Will salt in my homemade salami kill coronavirus?

* We can't travel to other states yet. Isn't it a bit early to travel to NZ?

* Is it possible Ebola and coronavirus can mutate into a more potent virus?

And Norman has some news from a research paper about heart medication, which found it didn't worsen the disease for people who got it or make them more susceptible to it in the first place.

Is there any possibility coronavirus escaped a Chinese lab? May 05, 2020

Show notes

The origins of coronavirus have become increasingly controversial, with the US Government ratcheting up the rhetoric in recent days.

US Secretary of State Mike Pompeo said recently there was "a significant amount of evidence" that it emerged from a Chinese laboratory.

According to geneticists, it's unlikely the virus was man made. So what are some possible beginnings of the pandemic?

On today's episode:

* What are some possible origins of coronavirus?

* Are you more likely to get coronavirus if you work in an abattoir?

* Can I get sick from meat processed in an abattoir if the worker had coronavirus?

* Could herbal medicine play a role in helping stop or treat coronavirus?

And Norman and Tegan discuss research regarding skin rashes that are being reported by some COVID-19 patients.

Why the next fortnight is so important in the coronavirus battle May 04, 2020

Show notes

This weekend, for the first time in a long time, you may have gone out to see a friend, sat in the park or had a picnic.

With restrictions in some states slightly lifted, does that mean we're finally turning a corner on the coronavirus pandemic?

Possibly, but the next 14 days will be crucial.

On today's show:

* What's going on with school openings?

* How important is Vitamin D and what role could it play in COVID-19 infections?

* Could low blood oxygen be used as a way to see if someone has COVID-19?

And Norman has some information from a yet-to-be-published paper about why some South Korean recovered patients seem to be testing positive again for COVID-19.

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