Opinion Pieces

Key Takeaways from the Inaugural SAFETP Alumni Symposium

Highlights from the First SAFETP Alumni Gathering South Africa (SA) has complex disease epidemiology, with health problems affecting low- and high-income groups differently. The interplay of these diseases with lifestyle and social determinants, as well as environmental factors, is becoming increasingly apparent. Epidemiologists study the occurrence and trends of disease to provide critical information for …

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Water cuts in South Africa are hurting hospitals and clinics – there’s an increased risk of infections

South Africa is a water-scarce country. Changing rainfall patterns and the escalating electricity crisis are making the situation worse. Treating and distributing water requires electricity. Some of the country’s biggest cities have had to impose water restrictions and residents in other parts have gone months without a regular water supply. Unfortunately, health facilities have not …

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Vaccines could be a game-changer in the fight against malaria in Africa

The development of an effective vaccine for malaria has proved to be far more challenging than developing a vaccine to protect people from COVID-19. Several different COVID-19 vaccines were developed and approved for use within a year of the disease’s emergence. In contrast, it took over 30 years of intensive research and numerous clinical trials …

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It’s time to go back to basics in the fight against childhood pneumonia

Pneumonia is a respiratory infection that affects the lungs. The viruses and bacteria that cause the disease are spread through airborne droplets from a cough or sneeze. An infection can cause the lungs to fill with pus and fluid, making breathing and oxygen intake difficult. And while anyone can get pneumonia, children with weakened immune …

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How higher temperatures and pollution are affecting mosquitoes

In 2017, malaria killed 435 000 people around the world. The vast majority of these deaths – 403 000 – were on the African continent. Most malaria cases are in sub-Saharan Africa. My colleagues and I at the National Institute for Communicable Diseases track malaria cases and mosquito behaviour in South Africa. As part of …

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The DRC’s Ebola outbreak has all the makings of a humanitarian crisis

West Africa experienced the worst Ebola outbreak between 2013 and 2016.Ahmed Jallanzo/EPA Jacqueline Weyer, National Institute for Communicable Diseases It’s been eight months since the start of the current Ebola outbreak in the Democratic Republic of Congo (DRC). By the beginning of April, almost 700 people have succumbed to the disease, making this the second …

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TB doesn’t only attack the lungs — other organs are also vulnerable

What parts of the body does TB affect? TB most commonly affects the lungs – what’s known as the body’s pulmonary system. But it affects other organs too, what’s known as extrapulmonary TB. Other organs that can be affected include the lining covering the lungs (pleural TB); the central nervous system (TB meningitis); bone and …

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Preventing sexually transmitted infections: why South Africa isn’t winning

Sexually transmitted infections (STIs) are a serious public health issue. It’s estimated that globally, more than a million people are diagnosed with one or more sexually transmitted infections like gonorrhoea, chlamydia or syphilis every day. What’s more concerning is that the prevalence of infection with chlamydia for example, have remained unchanged over the past 10 …

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Ebola vaccine is key in ongoing efforts to contain the DRC outbreak

Vaccines are recognised as one of the most powerful tools in controlling and preventing infectious diseases. This despite strong anti-vaccination movements around the globe. It was with vaccine in hand that one of the most dreaded diseases of the last two centuries, smallpox, was eradicated. Likewise, the eradication of vaccine preventable diseases such as poliomyelitis …

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