immunity
It's an essential mineral for boosting immune function and healing. Here's how to get it from food.
Experts reveal if the trend really helps you get better sleep, improves your immune system and more.
Pumpkin, cauliflower, apples, butternut squash – they're more than just delicious.
HuffPost UK reader Lisa asked why people who have had Covid-19 are being told to get vaccinated.
The same study found past Covid-19 infection provides some immunity for at least five months.
The patient, living in Nevada, was infected with two variants of the virus – and ended up in hospital the second time.
With the prime minister self-isolating, here's what we know about the potential for reinfection.
Immunity in the UK is “waning quite rapidly”, a new study suggests. Here's what that means.
What is herd immunity? And can you get Covid-19 twice?
No more sick days.