Although short-range large-droplet transmission is possible for most respiratory infectious
agents, deciding on whether the same agent is also airborne has a potentially huge impact on …

During the rapid rise in COVID-19 illnesses and deaths globally, and notwithstanding
recommended precautions, questions are voiced about routes of transmission for this pandemic …

There is great disparity in the way we think about and address different sources of environmental
infection. Governments have for decades promulgated a large amount of legislation …

Background Severe acute respiratory syndrome (SARS) is a condition of unknown cause
that has recently been recognized in patients in Asia, North America, and Europe. This report …

In theory, influenza viruses can be transmitted through aerosols, large droplets, or direct
contact with secretions (or fomites). These 3 modes are not mutually exclusive. Published …

Over the past few years, prompted by pandemic preparedness initiatives, the debate over the
modes of transmission of influenza has been rekindled and several reviews have appeared…

The coronavirus disease 2019 (COVID-19) pandemic has caused untold disruption throughout
the world. Understanding the mechanisms for transmission of severe acute respiratory …

Avian influenza that infects poultry in close proximity to humans is a concern because of its
pandemic potential. In 2004, an outbreak of highly pathogenic avian influenza H7N3 …

Background The full spectrum of clinical manifestations and outcome, and the potential
importance of regional or demographic features or viral triggers in paediatric multiple sclerosis (…

Background HLA-DRB1*15 genotype, previous infection with Epstein-Barr virus, and
vitamin D insufficiency are susceptibility factors for multiple sclerosis, but whether they act …