A new study found that a previous COVID-19 infection offers at least the same level of protection as two doses of high-quality mRNA vaccines, such as Moderna and Pfizer-BioNTech. Additionally, people ...

Your immune system is your body’s natural defense against harmful bacteria, fungi, parasites, and viruses that can make you sick. And if you do become ill, a healthy immune system works to help you ...

In a recent study published in Nature Communications, researchers examine the effect of infection and coronavirus disease 2019 (COVID-19) vaccination in healthy individuals with diverse imprinted ...

Serology is indicated when documentation of HIV status is inadequate. Much has changed since the first case of AIDS was identified. Updated guidelines discuss transmission, diagnosis, risk screening, ...

Prescribing antibiotics for respiratory infections in primary care may increase future reattendance for similar symptoms and conditions, whereas reducing antibiotic prescribing may decrease the demand ...