Johns Hopkins University Bloomberg School of Public Health

Addiction

Xylazine: The new overdose crisis

When she entered Cooper University Hospital's outpatient clinic in Camden, New Jersey, in October 2021, Ashley (last name withheld due to privacy concerns) could barely walk.

Medical research

Unraveling long COVID's causes and impacts

Most of the time, viruses leave our bodies as quickly as they arrived. After we suffer a week or two of fever, muscle aches, and other indignities, a surge of antibodies sends the miniature invader on its way. Case closed.

Medical research

How human challenge trials accelerate vaccine development

Anna Durbin was in Brazil in December 2015 when the Zika virus erupted in the country's northeast. Although she'd flown to São Paulo to work on a dengue vaccine, Durbin returned to Baltimore preoccupied with Zika.

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