Serum samples were obtained from healthcare workers 5 weeks after exposure to an outbreak of severe acute respiratory syndrome (SARS). A sensitive dot blot enzyme-linked immunosorbent assay. complemented by a specific neutralization test. shows that only persons in whom probable SARS was diagnosed had specific antibodies and suggests that subclinical SARS is not an important feature o... https://lecoureures.shop/product-category/ski-de-fond-equipement-skis-enfant-classic/