Skip to Content

COVID-19

Everything you need to know and stay informed about the novel coronavirus, COVID-19, and its many variants and subvariants, including BA.5, Stealth Omicron, and Delta.

woman in bed with fever

How to Tell COVID-19 From the Flu

COVID-19 Vaccines

a healthcare worker prepares a dose of covid19 vaccine

Novavax Wants Its COVID-19 Vaccine Authorized

covid vaccine booster dose

FDA Approves Second Booster for Certain Groups

What Are Omicron Booster Side Effects?

vaccine and syringe injection it use for prevention, immunization and treatment from covid 19

Experts Explain the COVID-19 Vaccine Ingredients

Advertisement - Continue Reading Below

COVID-19 Symptoms

woman laying in bed with a headache

Is a Headache a Sign of COVID-19?

young woman hands holding white digital thermometer on pastel blue background fever and healthcare concept closeup point of view shot empty place for text top down view

Mild vs. Severe Coronavirus Symptoms

itchy eyes omicron, tired young woman against yellow background

Can Omicron Cause Itchy Eyes?

rear view of woman touching back in pain while sitting on bed at home

Why COVID-19 Can Sometimes Cause Back Pain

Advertisement - Continue Reading Below

Immunity and Immune Health

covid 19 positive test tube on the pink background

Can You Get Sick With COVID-19 Twice?

washing hands with soap

How to Support Your Immune System

antibody in pink and red background selective focus 3d art

How Long Do COVID-19 Antibodies Last?

does stress weaken immune system

How Stress Impacts Your Immune System

Face Masks and Masking Best Practices

woman shopping in supermarket

The Best KN95 and N95 Face Masks to Buy Right Now

n95 respirators

Can You Reuse N95 and KN95 Masks?

n95 face masks kn95 masks differences

N95 vs. KN95 Masks: What’s the Difference?

maskc kn95 face mask spring sale

Hollywood’s Favorite KN95 Face Mask Is Now on Sale

Advertisement - Continue Reading Below

COVID Variants, Including BA.4 and BA.5, Omicron, and Delta

group of friends relaxing outside on a warm summers evening

Can You Get Omicron BA.5 Outdoors?

coronavirus

What Are Omicron Variants BA.4 and BA.5?

virus exploding, destroy the coronavirus

New In: Antibody Neutralizes All COVID Variants

covid 19 delta

What Are the Symptoms of the Delta Variant?

The Latest

7 health breakthroughs covid

What to Know About Arcturus, the New COVID Variant

woman napping on sofa

What Are the Most Common Long COVID Symptoms?

coronavirus

How Long Does COVID Immunity Last in 2023?

cropped shot of young woman doing finger prink blood test at home

Does COVID Cause Diabetes? New Study Finds a Link

what is croup, woman coughing holding tissue

How Long Does COVID Cough Last?

woman wears adhesive bandage on upper arm

FDA Proposes Annual COVID Vaccine Schedule

Study: COVID Is Very Dangerous for Pregnant People

woman sick

Study: Long COVID Usually Gets Better in a Year

woman coughing into elbow while sitting in bed

Study: There Are Actually 4 Subtypes of Long COVID

coronavirus

What Is the Omicron Subvariant XBB.1.5?

false positive covid test

How Common Are False Positive COVID-19 Tests?

coronavirus covid19

What Are ‘Troublesome’ Variants BQ.1 and BQ.1.1?