David Hill remembers his childhood friend Doug, who contracted polio a decade before the vaccine became available. As summer approached, New Zealand braced itself for a return of the virus. Nearly 1,000 people had fallen ill in the previous wave. Fifty-seven had died. There was no vaccine; no cure. Now hospitals and families waited for … Read more
New Zealand has opted for an elimination strategy, but a vocal minority is calling for an alternative approach that would see an end to lockdowns and borders loosened. Dr Siouxsie Wiles explains why that would be a bad idea. Around the world, different countries are taking different approaches to dealing with the global pandemic. Here … Read more
The health workers and contact tracers are out on the front lines, but in the backrooms teams of mathematicians are running scenarios to figure out exactly what needs to be done, and how bad things could get. In big picture terms, fighting a pandemic is a numbers game, but with real world consequences. To succeed, … Read more
Want to avoid Covid-19? Skip the high dose vitamin C, and take a moment to learn about the statistical modelling that helps us understand how diseases spread. Shaun Hendy explains. Infectious diseases like Covid-19 spread from person to person. If, on average, every person who gets it goes on to infect two other people, then … Read more
The world is on edge over a coronavirus outbreak that started in early December in Wuhan City, China. The virus is thought to have first infected people working at a seafood and live animal market. So what could the original source have been? Siouxsie Wiles explains. Update, January 27: Soon after the “snakeflu” paper was … Read more
A strange pneumonia-causing virus has broken out in China, and the number of cases is rising rapidly. How worried should we be? What’s all this then? Like Sars, swine flu and ebola before it, a new virus is hitting the headlines. The outbreak of a new type of coronavirus is centred around Wuhan in China, … Read more
November was the peak month of the 1918 pandemic that killed 9,000 New Zealanders. A century, will we be able to deal with another outbreak? Philippa Tolley reports for RNZ’s Insight The memories captured from the days and weeks the pandemic took hold in 1918 are tragic. Decades later, in a 1967 interview, a Wellington shop … Read more
Needles may be scary. But do you know what’s worse? The flu. Alex Braae got over his fear and got the flu shot, for the greater good. I haven’t had a flu vaccination in a couple of years. In that time I’ve also had the flu a couple of times. When I let this slip … Read more