covid-19 - search results

After a year of lockdowns and restrictions, vaccine passports could allow people to travel more freely within their communities, enter other countries or engage in leisure activities that were largely prohibited during the COVID pandemic. But they also have the potential to further divide the global rich from the global poor.

How do you work out which proportion of a population needs to be vaccinated to achieve herd immunity? We break it down and calculate how each jab would change how many people need to be vaccinated in order to stop COVID from spreading in the country.

Imagine the layers of your mask as a spider web, catching respiratory droplets as you breathe in and out — but some masks have more efficient webs than others.

As long as the coronavirus is still circulating in many parts of the world, mutations will continue to occur. This means that herd immunity in any individual country may be thwarted by new variants that can bypass the protections offered by current vaccines. Here’s why worldwide vaccination needs to happen as quickly as possible.

Linda-Gail Bekker says researching infectious diseases such as COVID-19 and HIV is like a colossal round of the murder mystery cluedo. Follow the story of the scientist with the purple pixie-cut from a farm in Zimbabwe to her inauguration as the first African president of the International Aids Society and beyond.

New research shows that protection against the 501Y.V2 variant could also extend to other variants — including the original virus circulating the country and the variant first identified in Brazil. Understanding the immune response to the new form of the virus in South Africa can help shape how vaccines are designed for more long-lasting and wider protection.

South Africa’s medicine regulator is working to approve COVID-19 vaccines quickly, but the process won’t skip any important steps.

Countries around the world have begun vaccinating against COVID-19 — and it’s working. The jabs help protect people from severe disease. But for how long? Find out.

Our journalists have been reporting on COVID-19 (exclusively, almost) for a year. A lot of the time, they’ve felt a bit like Alice in Wonderland. Only the world of COVID reporting isn’t a wonderland – it’s hell.

More COVID vaccines are arriving in South Africa over the next few weeks. These jabs are allocated for healthcare workers as part of the Sisonke trial. Find out where they'll be available.

Refuting lies about vaccines peddled by those in leadership positions may be less about trying to change their minds and more about protecting those who might be listening.

Some countries, such as Tanzania and Madagascar, have issued statements saying they do not have plans to vaccinate their populations against COVID-19. Find out what this means for the global effort to contain the pandemic.

The new coronavirus has changed a lot about our lives and children haven’t been spared. Warnings about the coronavirus just before South Africa’s lockdown in...

Specialist scientists, masks, hand sanitiser and stricter rules for liquor sales will be crucial to easing the burden of South Africa’s future COVID-19 waves, experts say.

Why did the one-million AstraZeneca vaccines South Africa received earlier this month have to be sent for lab tests but not the Johnson & Johnson jabs that arrived this week? The world of regulatory approval for medicines can be confusing. We break it down for you.

Africa’s ports are vulnerable to crime and corruption. Now they’re set to be the main thoroughfare for COVID vaccines entering the continent. Here’s why we need a better strategy to curb potential counterfeits coming through.