COVID Arm: What It Is, How Long It Lasts
In rare cases, people who receive the two-dose Moderna COVID-19 vaccine may experience a red, itchy patch of skin a few days later at the injection site, a new report finds... Read more
Mixing COVID Vaccines Might Raise Odds for Minor Reactions
Mixing the various COVID-19 vaccines -- for example, getting a first dose of the Pfizer vaccine but having your second dose be the AstraZeneca shot -- seems to increase the risk of side effects, a new study from Britain suggests... Read more
FDA Approves COVID Vaccine for Ages 12 to 15
In a move that should hasten the country's recovery from the pandemic, the U.S. Food and Drug Administration on Monday approved the emergency use of Pfizer's two-dose coronavirus vaccine for 12- to 15-year-olds... Read more
WHO Increases Warning About Indian COVID-19 Variant
The World Health Organization called the B.1.617 variant of the COVID-19 virus, which has become more common in India, a "variant of concern. Scientists don't know much about this variant but are concerned that it may be... Read more
Pfizer, Moderna or J&J? An Expert Answers Your Questions
Enough COVID-19 vaccine doses are available in the United States that many Americans may now have the freedom of choice. Picking the vaccine that's right for you will depend on factors related to your... Read more
20 Vitamins and Supplements To Boost Immune Health for COVID-19
COVID-19 coronavirus has many symptoms, including fever and dry cough, to more extreme symptoms requiring immediate medical help. If you have relatively mild COVID-19 symptoms, these vitamins and supplements can... Read more
COVID-19 vs. Flu vs. Common Cold: Differences and Similarities
Are you confused by your symptoms and wonder if you have a COVID-19 infection or actually just a cold or the flu? Learn the similarities and differences for each condition with this simple symptoms chart... Read more
How Do the COVID-19 Coronavirus Tests Work?
Tests for coronavirus may use two methods to detect the SARS-CoV-2 virus, the cause of COVID-19 disease, a debilitating and potentially deadly viral pneumonia.
The first and most prevalent method to detect the virus in individuals is based on... Read more
Are Face Shields Better Than Face Masks for Coronavirus?
Hundreds of millions of Americans heeded recent government advice and rushed to wear cloth face masks, hoping they might prevent transmission of the new coronavirus. But there's another option and is it better? Read more
How Long Does Coronavirus Stay on Clothes and Laundry?
Many emergency room workers remove their clothes as soon as they get home -- some before they even enter. Does that mean you should worry about COVID-19 transmission from your own clothing, towels, and other textiles?
While researchers found that the virus can remain on some surfaces for up to 72 hours, the study... Read more
Boosting Your Immunity From COVID-19? These Foods, Vitamins, Routines Work Best
To protect those they love from a virus that can kill, people online are flooding the internet with search results for the best vitamins, foods, and activities to boost your immune system against coronavirus COVID-19.
The internet provides plenty of answers—some reliable, others not... Read more
Can You Spread COVID-19 With No Symptoms? Asymptomatic/Pre-symptomatic Studies Say Yes
If you have no symptoms of the COVID-19 virus, can you pass the disease to others? News from the World Health Organization this week muddied the waters.
But studies suggest asymptomatic and pre-symptomatic carriers were shown to be contagious in a window of time lasting anywhere from... Read more
How Long Does Coronavirus Stay on Surfaces and in the Air?
The novel coronavirus, SARS-CoV-2, remains viable in aerosols for hours and on surfaces for days, according to a new study.
The data indicate that the stability of the new virus is... Read more
Coronavirus Isn't Even 'Alive,' But Expert Explains How It Can Harm
It has spread across the globe in just a few short months, sickening hundreds of thousands, but the new coronavirus has the dubious distinction of not really being a living organism, biologists say. "Viruses aren't considered alive..." Read more
Can UV Light Kill or Prevent Coronavirus?
The coronavirus pandemic has breathed new life into a decades-old technique that can zap viruses and bacteria: ultraviolet light. Hospitals have been using it for years to... Read more
COVID-19 vs. Allergies: Do I Have Allergies or COVID-19?
If you are feeling sneezy, feverish, short of breath, exhausted, or achy, you may be wondering if your signs and symptoms are due to seasonal allergies or COVID-19... Read more
What 1918 Spanish Flu Death Toll Tells Us About COVID-19 Coronavirus Pandemic
Spanish flu was the most devastating pandemic ever recorded, leaving major figures like medical philanthropist Bill Gates to draw comparisons to the ongoing COVID-19 pandemic. How did the 1918 Spanish flu pandemic cause such a high death toll? And how can the Spanish flu prepare us for coronavirus?
It started as a mild flu season, not different from any other. When its first wave hit in the spring of 1918, the Spanish flu seemed like just another flu. But then... Read more
The Black Death: What Bubonic Plague Reveals About COVID-19 Coronavirus Pandemic
What does the bubonic plague pandemic of Europe and Western Asia in the 14th century tell us about pandemics more broadly, and the coronavirus contagion in particular? Read more
Can You Get Reinfected With Coronavirus?
People all over the globe who've recovered from the new coronavirus want to know the same thing: Am I immune, at least for a while? Read more
Can Zinc Lozenges Ward Off Coronavirus? What Doctors Say
They may soothe a sore throat, but can zinc lozenges actually shorten the length of a viral infection? The question is getting a fresh look after coronavirus researcher James Robb's email suggesting... Read more