As schools plan for re-opening, understanding the potential role children play in the coronavirus infectious disease 2019 (COVID-19) pandemic and the factors that drive severe illness in children is...

The UN health body says there is some evidence teenagers can infect others in the same way as adults.

The American Academy of Pediatrics released new guidance about face coverings for children based on the latest evidence.

Finding ways to get kids back to school safely as the virus continues to spread across the nation is a daunting task. Our new guidance helps schools and districts devise plans based on the size of...

Multisystem inflammatory syndrome in children (MIS-C), believed to be linked to COVID-19, damages the heart to such an extent that some children will need lifelong monitoring and interventions, said...

The highest rate of youth suicide is on weekdays during school months. Why is that? Because school’s benefits also come with downsides.

It could be causing long-term heart damage.

Parents whose children have been battling symptoms as diverse as fatigue, breathlessness, chest pains, diarrhea and "covid toes" for weeks after suspected Covid-19 infection say there is little help...

Face masks can prevent the spread of the virus SARS-CoV-2, in particular as this spread can occur from people with no symptoms. However, covering the lower half of the face reduces the ability to...

COVID-19 is mainly transmitted through respiratory droplets in the air. Why isn't improving ventilation a key part of the effort to reopen schools?

During a Senate committee hearing, Dr. Robert Redfield said a face mask may provide better protection against coronavirus than a vaccine. CNN's Elizabeth Cohen reports the CDC director also offered a...

Respiratory infections occur through the transmission of virus-containing droplets (>5 to 10 µm) and aerosols (≤5 µm) exhaled from infected individuals during breathing, speaking, coughing, and...

Aerosols are more important when it comes to transmitting COVID-19 than we thought six months ago—and we need to act accordingly.

The findings of this systematic review and meta-analysis support physical distancing of 1 m or more and provide quantitative estimates for models and contact tracing to inform policy. Optimum use of...

There is a pressing need for evidence-based scrutiny of plans to re-open childcare during the COVID-19 pandemic. Here we developed an agent-based model of SARS-CoV-2 transmission within a childcare...

We talked to UCSF epidemiologist George Rutherford, MD, and infectious disease specialist Peter Chin-Hong, MD, about the CDC’s reversal on mask-wearing, the current science on how masks work, and...

Objective To replicate and analyse the information available to UK policymakers when the lockdown decision was taken in March 2020 in the United Kingdom. Design Independent calculations using the...

One of the key questions in predicting the course of the COVID-19 pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is how well and how long the immune responses...

COVID-19 cases in Arizona spiked 151% after a statewide stay-at-home order expired and dropped 75% following local mask mandates, a new report says.

Children and teenagers make up about 10% of the total number of US coronavirus infections. Some have been rocked by long-haul symptoms lasting more than six months with no clear timeline for improv...