Immune and infectious diseases Archive

People who received a COVID vaccine during the first two years of the pandemic had a lower risk of developing long COVID, according to a 2024 study.

It's never easy for parents to talk to their teens about sex, so many are understandably hesitant to do so. But even if teens are not yet sexually active, it's important for them to have accurate information about sexually transmitted infections to keep themselves safe and healthy.

Sepsis is the immune system's overwhelming response to infection. It can lead to a dramatic drop in blood pressure that damages vital organs and causes death. Sepsis risk factors include older age, recent surgery, chronic illness, artificial joints, or a suppressed immune system.

Psoriasis causes skin cells to multiply far faster than normal, leading to scaly, itchy, painful skin plaques. While treatments have vastly expanded, stigma surrounding psoriasis persists. Skin lesions can affect what people wear, what they do, and how they relate to others. To better cope, people with psoriasis can get family members involved in care and treatment decisions, see a dermatologist for more advanced therapies, revisit which treatments may work for them, and connect with others with the disease.

A 2023 study suggests that toothbrushing twice daily can lower rates of hospital-acquired pneumonia in seriously ill hospitalized patients.

A 2024 study found that two doses of the recombinant zoster vaccine to prevent shingles remains highly effective after four years.

With climate change, rising temperatures are making many regions dry within the US and beyond. The effects of droughts on the planet and our health are complex, and include water shortages, higher risk of disease, changes in habitability, and worse air quality.

A 2023 study found that patients in intensive care units (ICUs) were less likely to die and spent less time on a ventilator during their stay when their teeth were brushed twice daily. Toothbrushing appears to protect patients from pneumonia, the most common ICU-acquired infection.

We think of measles as a minor viral infection in children that goes away without complications, but it can have complications, and they can be serious or even fatal. Here's how to protect yourself, your circle, and your community - and why you should.