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How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
How to use opioids safely
Opioids are sometimes the right treatment for pain, but they're never without risk. Get in front of opioid dangers by planning for your safety before you start these drugs.
High-dose flu vaccines: How are they different from other flu vaccines?
High-dose flu vaccines are flu vaccines for older people.
Herd immunity and COVID-19: What you need to know
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
Flu shot: Your best bet for avoiding influenza
Get answers to your flu vaccine questions, including whether the vaccines are effective, what forms are available and what side effects you can expect.
Fight coronavirus (COVID-19) transmission at home
Fight coronavirus at home by cleaning and disinfecting high-touch surfaces. Most common household disinfectants will kill the virus that causes COVID-19.
Enterovirus D68 and parechovirus: How can I protect my child?
Enterovirus D68 and parechovirus infections can lead to serious illness among children. Know the symptoms and what you can do.
Debunking COVID-19 myths
Some information you come across about COVID-19 may be out of date or false. Learn about COVID-19 myths so you can bust them when you see them.
Coronavirus: What is it and how can I protect myself?
Coronavirus disease 2019 (COVID-19) is caused by a virus that spreads between people. Find out how to protect yourself and those close to you.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
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