Malaria infection exerts a tremendous impact on the body, which can have long-term health repercussions, ranging from accrued susceptibility to bacterial infection to cognitive impairment. While some of these nefarious effects are known for the most severe forms of the disease, mounting evidence suggest that this is merely the tip of the iceberg.
Once again COVID is resurging across Europe. But not all countries are in the same position. Why? It’s an easy question to answer, yet confusion reigns in the press, on social media, and even among some scientists and epidemiological modellers. The answer is a basic epidemiological principle - population immunity - a concept that any young epidemiologist learns in early career development, as did I during my first month at the Centers for Disease Control and Prevention (CDC) back in 1976.
In the UK we’re heading full pelt into the normal winter respiratory viral season, something we can all relate to: from a mild snuffle to a week in bed at the mercy of flu. As many parents will be aware, respiratory viral infections are particularly common in children who have lots of contact with others, especially at school.
Over the last 20 years, annual analysis by the World Health Organization has brought good malaria news. Cases and deaths have steadily decreased since the turn of the millennium, although this progress has plateaued in recent years. But things are very different in 2021. This year’s World Malaria Report found deaths were at their highest for nearly a decade with an estimated 627, 000 worldwide in 2020.