Immune and infectious diseases Archive

Diseases & Conditions

Vaccination still recommended after a shingles infection

Published December 1, 2021

The CDC recommends people ages 50 and older get the Shingrix vaccine to protect against shingles. But those who haven’t been vaccinated and get shingles for the first time should still receive the shot to reduce their risk of future attacks.

Healthy aging and longevity

Thinking about holiday gatherings? Harvard Health experts weigh in

Published November 22, 2021

If you are gathering with family or friends during this holiday season there is still a lot of uncertainty around how to help keep everyone as safe as possible from COVID-19 illnesses and hospitalizations, particularly when many people will be traveling. Harvard Health Publishing faculty contributors share their own holiday plans and offer advice for safely enjoying the holidays this year.

Mind & Mood

Navigating holiday pressures in the COVID-19 reality

Updated November 9, 2021

The pandemic makes coping with holiday pressures a little tricky. If one is concerned about COVID-19 exposure at a holiday event, it may help to chat with loved ones to get support for a decision about whether to attend. If one must celebrate the holidays alone, it may help to grieve what is lost, savor past holiday gatherings, watch online religious services, and continue to practice special traditions—such as making holiday foods or putting up holiday decorations.

Diseases & Conditions

Less may be more when treating urinary tract infections

Published November 1, 2021

Researchers found that treating urinary tract infections with antibiotics for seven days was just as effective as treatment lasting 14 days. The shorter duration also can reduce the risk of medication side effects like diarrhea and nausea.

Healthy aging and longevity

Breathing your way to better health

Published November 1, 2021

Taking time out of a stressful day to perform simple breathing exercises can reduce chronic stress and prevent the harm it can inflict on the body. Even a few short breathing sessions can make a big difference for many people. Chronic stress, when it goes unchecked, can lead to a host of health problems, including high blood pressure, obesity, anxiety, depression, and reduced immune response.

Healthy aging and longevity

What happened to trusting medical experts?

Published October 19, 2021

In all aspects of our lives, we rely on the knowledge and advice of experts. So why are hundreds of thousands of people in the US rejecting advice on COVID-19 from well-respected health authorities, and embracing advice from those with dubious expertise –– and unproven and potentially dangerous remedies?

Healthy aging and longevity

Reduce the health risks from "forever chemicals"

Published October 1, 2021

Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of manmade chemicals that are widely used in products such as nonstick pans, stain repellants for furniture and carpets, cosmetics, and industrial products. These compounds are dangerous to human health and may lead to immune system problems and increased risk of certain cancers. Avoiding exposure by filtering water and choosing PFAS-free products can help to reduce those risks.

Healthy aging and longevity

Can I skip vaccination if I had COVID?

Published October 1, 2021

Evidence suggests that people who've had COVID-19 may have some natural protection against the virus, but will have a much stronger immune response if they also get the vaccine.