It's hard to discuss COVID without referring to white blood cells. Here is a primer on the two you need to know about.
Just focusing on spike proteins might not offer the complete immunity.
Evidence from a new study could help scientists develop drugs to neutralise the 'allergic antibodies' that cause anaphylaxis.
The 2018-2019 flu season was less deadly than the last. But the pattern of infection was unusual, thanks to the various strains circulating and the way flu shots work over time.
The cornerstone of our adaptive immune system is the ability to remember the various infections we have encountered. Quite literally, if it doesn’t kill you, it makes your immune system stronger.