Diseases, Conditions, Syndromes

Can you get the COVID-19 coronavirus twice?

Governments are starting to lift restrictions and some are considering "immunity passports," where all restrictions are lifted for those previously infected.

Diseases, Conditions, Syndromes

Why don't antibodies guarantee immunity?

With millions of COVID-19 cases reported across the globe, people are turning to antibody tests to find out whether they have been exposed to the coronavirus that causes the disease. But what are antibodies? Why are they ...

Diseases, Conditions, Syndromes

Dominant Alpha variant evolved to evade our innate immune system

The SARS-CoV-2 Alpha (B.1.1.7) variant mutated to evade our 'innate immune system', helping establish it as the world's first 'Variant of Concern', finds a new study led by researchers at UCL and the Quantitative Biosciences ...

HIV & AIDS

Six questions about HIV/AIDS that deserve more attention

As HIV investigators work to control and eradicate the virus worldwide, certain myths or misconceptions about the disease have been embraced, whereas other concepts with merit have been left relatively unexplored, argues ...

page 1 from 19

Innate immune system

The innate immune system comprises the cells and mechanisms that defend the host from infection by other organisms, in a non-specific manner. This means that the cells of the innate system recognize and respond to pathogens in a generic way, but unlike the adaptive immune system, it does not confer long-lasting or protective immunity to the host. Innate immune systems provide immediate defense against infection, and are found in all classes of plant and animal life.

This text uses material from Wikipedia, licensed under CC BY-SA