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There are nearly 30 COVID-19 vaccine candidates in human trials. Confused? Here's a short primer on the old and new development platforms and the pros and cons.

New research presented at the ATS 2020 Virtual meeting shows adolescents who use e-cigarettes along with marijuana and/or cigarette smoking have significantly higher odds of lifetime asthma.

US confirmed cases of COVID-19 surpassed 5 million; global recoveries have exceeded 12 million. We summarize more of today's data from the Johns Hopkins COVID-19 interactive map.

Patient's vital signs and results of physical examination are normal; results of a previous lumbar puncture also were normal. What does the chest x-ray reveal?

Communicating the importance of immunization to wary patients is key during the COVID-19 pandemic. Check out our new slideshow for the most recent CDC guidance for clinicians.

US confirmed cases of COVID-19 number nearly 4.8 million; global cases have surpassed 19 million. We summarize more of today's data from the Johns Hopkins COVID-19 interactive map.

Computer-interpreted ECGs are part of SOP -- but the interpretation still needs confirmatin. See if your ECG read matches the machine in 2 cases from the ED.

NIH "shark tank" week yields 7 COVID-19 diagnostic testing companies now awarded $2.5 million to scale up rapid lab and point-of-care testing.

How many cases of COVID-19 have been confirmed in the US? How many people have been tested? Get your daily COVID-19 update here.

Primary care physicians are in a prime position to recognize BD—if you know what to look for. Take this brief quiz to find out what you know.

For patients with Behcet disease, primary care practitioners play a key role in coordinating and monitoring care that requires multiple medications and doctors.

Data from the Johns Hopkins COVID-19 interactive map on coronavirus cases, mortalities, recoveries, and more.

A recent video case study found homemade cloth face masks need a minimum of 2 layers to effectively prevent the spread of COVID-19.

US confirmed cases of COVID-19 number nearly 4.6 million; global cases have surpassed 18 million. We summarize more of today's data from the Johns Hopkins COVID-19 interactive map.

The National Institutes of Health updated guidance on use of dexamethasone and substitutes in critically ill patients, and on ensuring surrogate decision makers are identified.

US confirmed cases of COVID-19 number nearly 4.5 million; global cases have surpassed 17 million. We summarize more of today's data from the Johns Hopkins COVID-19 interactive map.

If we understand how the disease of obesity compounds COVID-19 severity, how do we put that knowledge to work?

Flu vaccination coverage for adults is highest in West Virginia, lowest in Louisiana. Where does your state rank on flu, HPV, pneumococcal and 5 other vaccines?