Immune and infectious diseases Archive

Researchers studying weight gain during the pandemic looked at health records for millions of people from both before it and during the first year of it. Unsurprisingly, a significant percentage of people gained weight, but less expected is that nearly as many people lost weight during the same time period.

It is possible to get shingles more than once. But getting vaccinated with the Shingrix vaccine may help prevent this from occurring.

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.

COVID-19 infections may raise the risk of developing diabetes, because the virus can damage insulin-producing cells in the pancreas.

Last winter's flu season was mild, partly due to record high rates of flu vaccination and steps people were already taking to protect themselves from COVID-19. But don't let that fool you — some flu seasons are severe, so it it's wise to get a flu shot and take other precautions that can help you stay healthy this winter.

Millions of Americans get influenza during most flu seasons. Good hygiene habits can help you avoid catching the virus, and a flu shot can substantially reduce your risk as well.