Half a million US children have been diagnosed with COVID-19, CNN reports—and a disproportionate number of cases are reported in Black a

“Long COVID”—in which symptoms drag on for more than 3 months—afflicts up to 60,000 people in the UK, The Guardian reports.

Everyone knows the term ‘social distancing’—but even scientists don’t agree on how much space between people is needed to prevent the spread of COVID-19. But consensus or not, public health guidance goes on, writes Joanne Silberner.    

While the first known case of COVID-19 reinfection included a milder second bout, that process isn't necessarily holding up for other reinfections. One in Nevada was more severe in the second infection than the first, underscoring big questions about the nature of…

As the global vaccine race intensifies, scientists warn that the rush to market could advance an inferior vaccine, The Guardian reports.

When it comes to health, ZIP codes may even be a more accurate predictor of health than genetics, gender, or lifestyle habits—especially for Black women.   In cities like Atlanta and Baltimore, neighborhoods just a few miles apart can have a 20-year difference in life…

US physicians, state officials, and others are blasting the quietly revised CDC testing guidance that says contacts of infected people do not need to get tested if they don’t have symptoms, 

A tiny proportion of HIV-infected people have a rare “superpower”—they manage to keep the virus at undetectable levels in their blood without taking antiretroviral drugs, 

Patients with both mild and severe cases of COVID-19 have experienced brutal persistent symptoms months after their initial infection—but many who never tested positive are still struggling to be taken seriously by physicians.   And that’s regardless of the well-documented…

A Boston conference in February has been linked to 20,000 COVID-19 cases, according to a new genome sequencing study that’s not yet peer reviewed.