McMaster scientists found a common tuberculosis vaccine triggers an immune-communicating mechanism from the gut that offers broad protection against respiratory pathogens in the lung.
Guyatt, who coined the phrase "evidence-based medicine" and established the gold standard for health research and its evaluation, is receiving the Einstein Foundation Award for Promoting Quality in Research.
Surgical masks are not inferior to N95 masks for preventing the spread of COVID-19 to health-care workers, says a study led by McMaster University researchers.
