Infectious Disease

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This year's most-viewed content in infectious disease was dominated by COVID-19, as the Delta variant continued to strain the US health care system. It also included news about Clostridioides difficile.

When a flu season is mild, it can make developing a vaccine for the following season a bit more difficult as it can be hard to find the right match, but on the other hand, the US health system could benefit from less stress this winter given the unrelenting demands posed by COVID-19, says Leslie Kantor, PhD, MPH, chair and professor of the Department of Urban-Global Public Health, Rutgers School of Public Health.