Why is coronavirus so bad in South Africa?

Yesterday South Africa suffered the 4th highest number of confirmed coronavirus cases in the world, clocking over 12,000 cases. This meant that 2 out of every 3  cases in Africa came from only one country, South Africa.

South Africa has a similar population to Uganda, yet has suffered from 300,000 coronavirus cases while Uganda has only just clocked 1000. When it comes to coronavirus in Africa at the moment, we really should focus on South Africa.

SOUTH Africa case corona

It may seem strange that a country with 5% of Africa’s population, made up 70% of the continent’s confirmed cases, but there are a number of  reasons which might explain why coronavirus is spreading so rapidly down south.


Why is South Africa suffering?

South Africa is radically different from many other African countries. In fact South Africa has many features similar to European and American countries which have suffered terribly form coronavirus. I hope there’s no-one out there who still thinks Africa is one country, but I’m sure you won’t after reading this!

1) South Africa’s Older Population.  Older people are not only have more severe disease, but are more likely to get infected with coronavirus. This nature article estimated that those over 20 years old are twice as likely to catch coronavirus than people under 20. As well as catching it more easily, older people also more likely to spread corona as they are more symptomatic. In South Africa, 4 in 5 people are over 20, while  only 2 in 5 Ugandans are over 20 years old! South Africa’s older population facilitates easier spread of coronavirus than in other countries. This lack of spread in younger people a should also make countries like Uganda be less worried than they are about opening schools, but that’s another issue.

2) Most South Africans live in cities. In South Africa, 2 out of every 3 people live in urban areas. Around the world, coronavirus has thrived in busy, packed cities – think of the disasters in Milan, London and New York. Here in Uganda only 1 in 4 people live in urban areas, a minority of the population.

3) Colder Temperatures. We know that hot weather doesn’t stop coronavirus, but it does slow spread a little. Here’s the forecast for Johannesburg this week, perhaps not what you would expect – lows of 3 degrees!!!

Screen Shot 2020-07-16 at 10.06.26 AM

4) Obesity Epidemic. South Africa has THE HIGHEST obesity rates in Sub-saharan Africa. More than 1 in 4 adults are obese, similar to Australia, Mexico and the UK. In  Uganda on the other hand only 1 in 20 adults are obese. Higher obesity rates increase virus spread as obese people are more likely to have symptomatic disease, and therefore more likely to spread it to others. Obese people are also more likely to catch influenza, and this may well be the same for coronavirus although there isn’t yet solid evidence to support this this theory. 

With all those factors driving the terrible outbreak, we hope South Africa’s public health measures and decent health system can control the spread soon. Unfortunately even if theyturn the corner in the next couple of weeks, it’s going to be many months before South Africa has coronavirus truly under control.

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1 Response to Why is coronavirus so bad in South Africa?

  1. Rose Francis says:

    Thanks for your updates, Nick. The more we understand about this sneaky Covid virus, the better we’ll be prepared to squash it. Stay safe and keep as fit as possible. Know we’re praying for you both. Love & prayers,
    Rose

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