Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused millions of
deaths and substantial morbidity worldwide. Intense scientific effort to understand the …

OBJECTIVES: The relative importance of airborne, droplet and contact transmission of
influenza A virus and the efficiency of control measures depends among other factors on the …

The comparatively milder infections with the Omicron variant and higher levels of population
immunity have raised hopes for a weakening of the pandemic. We argue that the lower …

INTRODUCTION: Ambient air pollution can have adverse effects on the health of exposed
populations, but individuals or groups are not equally vulnerable, and pollution reduction …

Objectives: We evaluated the influence of heart rate on image quality and diagnostic
accuracy of dual-source computed tomography (DSCT) coronary angiography. Background …

Follicular dendritic cells (FDCs) trap Ags and retain them in their native state for many
months. Shortly after infection, HIV particles are trapped on FDCs and can be observed until …

The claim that migratory birds are responsible for the long-distance spread of highly
pathogenic avian influenza viruses of subtype H5N1 rests on the assumption that infected …

Transmission of respiratory infectious diseases in humans, for instance influenza, occurs by
several modes. Respiratory droplets provide a vector of transmission of an infectious …

A model was developed for the emergence of drug-resistant influenza viruses during a
closed population influenza epidemic that occurs in a single wave. The model was used to …

Background: Bioaerosol pollution of workplace and home environments mainly affects
airways and mucous membranes. The effect of environmental outdoor residential bioaerosol …