Immunology

Nasal smear as an allergy screening test

130 million people in Europe suffer from hay fever and other forms of allergic rhinitis. Until now, these conditions have typically been diagnosed using blood samples or skin prick tests. The latter method is often seen as ...

Diseases, Conditions, Syndromes

Want to know how many people have the coronavirus? Test randomly

Consider these two questions: What percentage of Americans are, or have been, infected with the coronavirus? And, what is the probability of dying from the virus if you catch it? One of the most unsettling aspects of the ...

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