Diseases, Conditions, Syndromes

Why COVID-19 immunity passports may violate US law

As the COVID-19 crisis wreaks havoc across the globe, a handful of countries, including Germany, Chile and the United States, are mulling the use of immunity passports to make clear who is immune from coronavirus infection.

Medical research

Regulatory hurdles make HIV research less effective, experts say

A regulatory conundrum faces researchers trying to slow the spread of HIV among minors. Sometimes those researchers need consent from parents, a requirement that can leave some of the most endangered minors out of the picture.

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