The Coronavirus Update

Love, death, fear, guilt, pride, hope, friendship, alienation, and so much sorrow. Through it all, they kept showing up.

Scientists find that a rapid rollout of the COVID vaccine to low- and middle-income countries is as important as the vaccine’s efficacy.

A new study finds that placentas of male and female fetuses respond very differently when a mother is infected with SARS-CoV-2 during pregnancy.

A new study confirms that children can carry high viral loads of SARS-Co-V-2, making them possible spreaders of current and emerging variants.

Looking at data from 15 million patients, researchers found that 39 percent had gained weight.

The delta variant’s increased infectiousness, coupled with remaining pools of unvaccinated people and those whose immunity has waned, are enough to drive a winter COVID-19 surge even in highly vaccinated parts of the country, a Harvard infectious diseases expert said.

William Hanage predicts a likely decline in U.S. COVID cases, depending on vaccination rates, control tactics, and the absence of variants.

The Pfizer-BioNTech vaccine has been shown to be safe in school-age children, a potentially key development in the fight to bring the coronavirus pandemic under control.

Health Services chief points to air filtration systems, high vaccination rates, masking and testing protocols, and other measures.

Massachusetts General Hospital study links healthy plant-based foods with lower risks of getting of COVID-19 and of having severe disease after infection.

Marc Lipsitch, an epidemiologist and director of the Harvard T.H. Chan School of Public Health’s Center for Communicable Disease Dynamics, says COVID vaccines for children should not be rushed and a return to in-person learning can still be navigated.

Experts from the Harvard Graduate School of Education offer advice to parents and teachers on how to ease student anxiety as another pandemic school year begins.

Despite its ability to transmit more easily and puncture vaccine defenses, the delta variant is no superbug. It is vulnerable to masking, distancing, and other non-pharmaceutical interventions, lessons from delta outbreaks overseas show.

With COVID-19 cases going back up just as workplaces and schools prepare to reopen, a Harvard Chan School talk digs into the challenges of maintaining worker well-being on the job.

A surge in COVID-19–related deaths in the U.S. could exceed the peak seen in early 2021, according to experts.

Researchers have found strong evidence of an association between exposure to fine particulate air pollution from 2020 wildfires in the U.S. and increased risk of COVID-19 cases and deaths in three western states, for up to four weeks after the exposure.

Immunologist Yonatan Grad explains what has been learned from COVID-19 and how to apply the lessons moving forward.

New study suggests practical strategies to help children through a pandemic.

A new study found that COVID-19 messages tailored to Black audiences and presented by physicians of color did not enhance the effectiveness for minority participants.

Researchers say policymakers should weigh decarceration for inmates at low risk of reoffending to combat COVID inside prisons.

Researchers have now created a simple, inexpensive diagnostic test that allows users to test themselves for multiple variants of the SARS-CoV-2 virus at home, using just a sample of their saliva.

Conversations with Harvard experts shed light on the rise of delta, an unwelcome twist in transmission, the power of vaccination, and more.

Harvard Law School’s W. Neil Eggleston says President Biden is on solid legal ground to mandate that federal workers get vaccinated against COVID-19.

Robert Blendon examined the divide among Americans over vaccine mandates.

Associate Professor Alisha Holland discusses the political impact of the pandemic in Latin America.

Ryan W. Buell discusses what’s behind the sudden spike in customer rage at service workers and what firms can do to support their employees.

HUHS Director Giang Nguyen discusses the delta variant of COVID-19 and gives a first look at what campus re-entry will look like.

Coronavirus ultimately not over, says Harvard Chan School’s William Hanage.

A Harvard Chan School psychologist counseled awareness and flexibility as people return to work, school, or other pre-pandemic activities.

Members of an independent panel charged with coming up with ways to prevent the next pandemic urged international action.