Discover the Best New iOS 18 Features

WonderHowTo Gadget Hacks Next Reality Null Byte

Immunity

A person resting on a pillow with a worried expression.

If You're Hungry When Sick, It Might Be Less Severe—But More Contagious

Brown cow in a grassy field.

Researchers Look to Cows to Create Vaccine for HIV

Microscopic view of stained bacteria clusters.

Century-Old Finding May Show the Way to Create Vaccines Against Toxic Strep Infections

Close-up of hands showing fingers with varying conditions and textures.

How Gut Bacteria Could Set Off the Immune System in Rheumatoid Arthritis

Illustration of lungs and heart with viruses depicted.

Your Lungs Aren't the Same After a Battle with Pneumonia

Microscopic view of vibrant red coral structure.

Researchers May Be Closing in on a Vaccine Against HIV

Discover the Best New iOS 18 Features WonderHowTo Gadget Hacks Next Reality