CDC abruptly removes guidance about airborne COVID-19 transmission, says update ‘was posted in error’

The US Centers for Disease Control and Prevention on Monday abruptly reverted to its previous guidance about how coronavirus is transmitted, removing language about airborne transmission it had posted just days earlier.... Read more »

Pediatricians warn of ‘devastating collision course’ ahead of flu season

TORONTO — A group of pediatricians is warning of a “potentially devastating collision course” ahead of the approaching flu season without a mass immunization strategy. In a new petition launched online Saturday,... Read more »

How to improve the surgery backlog during COVID-19

A new paper suggests three solutions to addressing the backlog of non-urgent surgeries delayed due to the COVID-19 pandemic. “As a surgeon, I understand why hospitals needed to delay many elective surgeries... Read more »

The overlap between fear and anxiety brain circuits

Fear and anxiety reflect overlapping brain circuits, according to research recently published in JNeurosci. The findings highlight a need to reevaluate the existing models guiding anxiety research. While “fear” and “anxiety” are... Read more »

How soon should you be tested after exposure for COVID-19?

TORONTO — Some parents have been flocking to COVID-19 testing centres, looking to rule out the possibility their children are carrying the infection after reports of exposures happening in schools across Canada.... Read more »

Physical and cognitive function have improved meaningfully in 30 years

The functional ability of older people is nowadays better when it is compared to that of people at the same age three decades ago. This was observed in a study conducted at... Read more »

BCG vaccination in infancy does not protect against COVID-19, Swedish data indicate

While scientists race to develop and test a vaccine effective against SARS-CoV-2, the virus that causes COVID-19, recent studies have indicated that countries with widespread BCG vaccination appear to be weathering the... Read more »

Why getting tested for COVID-19 too soon may give a false sense of security

TORONTO — Some parents have been flocking to COVID-19 testing centres, looking to rule out the possibility their children are carrying the infection after reports of exposures happening in schools across Canada.... Read more »

We’ll Be Wearing Face Masks Far Into 2021, Even With A COVID-19 Vaccine

Robert Redfield, director of the Centers for Disease Control and Prevention, confirmed what the science has been telling us all along about the effectiveness of face masks — that they’re currently our... Read more »

A link between sensory neurons activation and the immune system

Pain is a protective mechanism, alerting us to danger by generating an unpleasant sensation. The warning message is carried to the spinal cord by specialized sensory neurons, which are intertwined with other... Read more »