You survived COVID, the flu or H1N1 once, so you may assume your body knows how to fight it the next time. But doctors say ...

Previous COVID-19 or flu infection does not guarantee immunity; waning antibodies, viral evolution and weaker mucosal ...

Exposure to Streptococcus pyogenes (Strep A) that causes mild or no symptoms can trigger the body's immune response and naturally build protection, potentially solving a nearly 100-year-old mystery of ...

A new study led by University of Toronto researchers has shown that immune cells in the gut follow an atypical pathway to produce antibodies that provide long-term protection against viruses. The ...

Candida auris and Candida albicans are microscopic fungi that cause life-threatening human infections, killing almost a ...

Findings suggest that SARS-CoV-2 infection can activate an immune program that closely resembles those involved in ...

H1N1, commonly known as swine flu, is rising across several parts of India. Delhi has been particularly affected, reporting ...

The everyday habits affect children's health more than medicines, shares Dr Silky Jain, as she lists five habits to strengthen the immune system.

Vitamins D and C both play important roles in immune health, but will either prevent you from getting sick? Here’s what ...