Understand what's known about herd immunity and what it means for coronavirus disease 2019 (COVID-19).
 
 
MAYO CLINIC
 
 
 
 
 
 
Advertisement
 
 
 
 
 
 
 
 
Learn more
 
Mayo Clinic Guide to Better Vision
 
 
Adopt some healthy new habits for 2021.
Get started today
 
 
 
You know that washing your hands is one of the best ways to avoid getting sick. But do you wash properly? 
Learn more  
 
 
 
Use these simple calculators and self-assessments for personalized health tips.
BMI Calculator      |    Calorie Calculator  
 
 
 
Use our Symptom Checker to explore possible causes of your symptoms based upon Mayo Clinic's patient care experience.
Check symptoms
 
 
To further lower the fat and cholesterol in this recipe, use 1/2 cup egg substitute instead of the 1 egg and 2 egg whites.
See recipe  
 
 
Instead of syrup, try topping each buttermilk waffle with 1/2 cup sliced fresh peaches sprinkled with cinnamon.
See recipe  
 
 
 
MAYO CLINIC CONNECT  
    
PATIENT STORIES  
    
MORE NEWSLETTERS  
 
 
Add us to your social network
fb   tw   yt   pint