Tuberculosis (TB) diagnostics relied on clinical acumen until the late 19th century, when microscopy and culture were developed. This was followed by susceptibility testing, which was developed in... Read More

Key points Three vaccines have been authorized by Health Canada to prevent respiratory syncytial virus (RSV) infection in older adults; two (RSVpreF and RSVPreF3) are currently available in... Read More

Syphilis, caused by the spirochete Treponema pallidum, is a sexually transmitted infection that can lead to significant adverse outcomes across organ systems if left untreated.[1] Syphilis has a well... Read More

Silicosis is caused by inhalation of respirable crystalline silica (RCS) particles less than 5 µm in diameter, which are small enough to reach the alveoli to trigger lung injury and persistent... Read More

Micronutrients are essential vitamins and minerals required for normal growth, development, and metabolic function. In childhood, they support neurodevelopment, immune function, and bone health.... Read More