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Dr Dalton believes it is people's inability to understand the powerful dynamic of exponential growth that is undermining attempts to halt the spread of Covid-19 in America.
Another word that has entered the lexicon with a new meaning is bubble'." It has a touch of magic and captures beautifully the notion of being inside your own little universe.
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Your bubble might be quite small, at 2m around you, or as big as your house - an extra-large bubble containing a family or flatmates.
Keeping your bubble protected so it does not burst does, as all who recall blowing bubbles as a child, require care.
Bubbles do not travel well so limiting this to the supermarket or pharmacy is ideal. Anything further than that would be unwise and trying to smuggle your bubble out of the district is not a good idea.
As much of the world goes into lockdown mode and people stay home, the natural world has decided to go out.
There is a wonderful set of pictures from a small town in Wales of mountain goats wandering into the streets, nibbling at hedgerows, clambering over stone walls into people's gardens while owners watch from their windows.
It is an interesting reversal of a zoo in which the animals have come to look at us inside our enclosures.
All that is missing is the usual signs warning against feeding the animals and some information on the species being observed named as "homus stayingus persons".
I work in a health role and like many people I am doing part of my day working at home.
There are advantages to this – coffee and music are within easy reach but there are drawbacks.
As others have noted, a dog barking while doing a phone call can be a hassle. Telling the dog to be quiet could be very disconcerting to the person on the call.
Doing a video link-up can be tricky if said dog comes inside and wants to join in. A cat on the lap might be cute unless it decides to wander across the keyboard.
Then there is the battle with the technology that seems to somehow sense the urgency of the moment and goes into a sullen sulk, refusing to co-operate.
Swearing at such times may be irresistible but unwise as it is easy to forget that in an online conference call, other people may be able to hear you.
This is the moment when finding the mute button can bring redemption.
But don't let such things burst your bubble. The computer can always be rebooted so stay calm, stay home and look after yourself and those you care about.
•Terry Sarten (aka Tel) is a social worker, writer and musician. Feedback welcome: tgs@inspire.net.nz
• Covid19.govt.nz: The Government's official Covid-19 advisory website