While a strong immune response is essential to fight against viral infection, an immune system that continues to stay active long after the virus has been cleared can lead to lung damage.
Chickenpox has largely disappeared from the public’s memory thanks to a highly effective vaccine. But the virus’s clever life cycle allows it to reappear in later adulthood in the form of shingles.
As international borders open, restrictions ease and we mingle with others, we can expect more germs to circulate.
We don’t yet know what this winter’s influenza season will bring. But here’s what we can expect from the 2021 crop of flu vaccines.
Five respiratory viruses everyone should know about.
Borders in southern Africa – as on the entire continent – were arbitrarily imposed by former colonial powers, and aren’t respected.
Some of the false claims about coronavirus may be harmless. But others can be potentially dangerous.
Prison life is about routine: each day like the one before; each week like the one before it, so that the months and years blend into each other.
With coronavirus continuing to spread, you may wonder: How do I know if I might have it? An infectious disease expert explains.
If you have a blocked or runny nose, chances are you’ll reach for a tissue or hanky for a good blow. But is your technique up to scratch?
Simple steps can lower your risk of bringing home traveller’s diarrhoea, respiratory infections and mosquito-borne diseases from your holiday.
The flu vaccine – which prevents one from getting influenza – changes every year, because it is based on the strains of the virus that presented in the previous year.