Infectious Disease

Baby in Hospital

Babies die as congenital syphilis continues a decade-long surge across the U.S.

COVID's 'silver lining': Research breakthroughs for chronic disease, cancer and the flu

COVID-19 appears destined to become endemic, but that won't make it harmless

A more contagious omicron strain has scientists fearing another COVID-19 surge

New omicron strain

Omicron surge may have peaked in the Philly region, but hospitals remain stressed

Early data suggests omicron variant causes less severe COVID-19, but more research is needed

Yes, we should be keeping the healthier hand-washing habits we developed at the start of the pandemic

Hand Washing Disease Prevention

Most people do not need COVID-19 booster shots, vaccine experts argue

A combined COVID-19 and flu vaccine may be on the horizon

A pill to treat COVID-19? Pfizer takes next step in study of Tamiflu-like drug

As COVID-19 booster shots near, Penn immunologist explains why he hates the term 'breakthrough infection'

Vaccine Wherry Breakthrough

Think like a virus to understand why the pandemic isn't over yet – and what the US needs to do to help other countries

Can schools require COVID-19 vaccines for students now that Pfizer's shot is authorized for kids 12 and up?

Lung transplants saving severe COVID-19 patients on death's doorstep

Penn Lung Transplant 2

The coronavirus 'doesn't discriminate by age:' Serious cases on the rise in younger adults

Severe COVID-19 Millennials

COVID-19 infections accelerating in Philly amid wave of variants

COVID Philly Variants March

Why you should get a COVID-19 vaccine – even if you've already had the coronavirus

Pennsylvania, New Jersey among least COVID-safe states, analysis finds

COVID-19 safety by state

The coronavirus is here to stay, but it won't be as deadly in the future, scientists say

Coronavirus variants spreading in New York City, California raise concerns

Johnson & Johnson's COVID-19 vaccine safe and effective, FDA analysis says

Johnson & Johnson's COVID-19 vaccine

People who have had COVID-19 only may need one vaccine dose, studies suggest

Herd immunity may be impossible without vaccinating children against COVID-19

Herd Immunity COVID-19

U.K. coronavirus variant rapidly advancing through the United States

U.K. variant U.S. cases

AstraZeneca vaccine mitigates COVID-19 transmission, data suggests

AstraZeneca COVID-19 Spread

'COVID tongue' may be another early indication of coronavirus infection

First cases of U.K. coronavirus variant detected in New Jersey

Temple University begins $10 million COVID-19 testing plan

Temple COVID-19 tests

The new COVID-19 variant is now in the United States — here's what is known

New COVID-19 strain

Pennsylvania hospitals face 'dwindling resources' as COVID-19 patients fill ICUs

PA Hospitals COVID-19

Philly surpasses 2,000 COVID-19 deaths, reports more than 1,800 daily cases

Philly 2,000 COVID

Take it from an expert: Dr. Tony Fauci’s hierarchy of safety during COVID-19

What is positivity rate? An explainer on a frequently-cited coronavirus statistic

COVID-19 positivity rate

COVID-19 immunity may persist for years, new research suggests

COVID-19 immunity

'Breakthrough finding' reveals why certain COVID-19 patients die

COVID-19 breakthrough study

Time to discuss potentially unpleasant side effects of COVID shots? Scientists say yes

COVID-19 shot side effects

Pfizer's COVID-19 vaccine has higher effectiveness rate than expected

As COVID-19 cases surge, CDC warns households to take precautions

COVID-19 household transmission

Achieving COVID-19 herd immunity through infection is dangerous, deadly and might not even work

Natural Herd Immunity

Eli Lilly's COVID-19 antibody treatment trial ends early due to ineffectiveness

COVID-19 antibody treatment

7 tips for staying safe as COVID-19 cases rise and colder weather heightens risk

COVID-19 Winter Safety Tips

An epidemiologist explains the new CDC guidance on COVID-19 exposure

CDC COVID-19 guidance

Why males may have a worse response to COVID-19

Men COVID-19 response

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Safe Alcohol Amount

Even 1 alcoholic drink a day elevates your cancer risk – a neuroscientist explains the surgeon...

Mobile outreach Philly

In Kensington, outreach workers give out food, clothing and toiletries from trucks, but potential...

FDA nicotine limit

The FDA wants to limit nicotine in cigarettes — a move that could save millions of lives

Primary Care Med Schools

Can medical schools funnel more doctors into the primary care pipeline?

sleep ambien alzheimers

Insomnia drugs improve sleep, but they also may stop a process that helps prevent dementia

Cancer deaths 2025

Cancer deaths continue to drop in the U.S., but cases are rising in women

Just In

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