HIV 101
Without treatment, HIV (human immunodeficiency virus) can make a person very sick and even cause death.
Learning the basics about HIV can keep you healthy and prevent transmission.
HIV Can Be Transmitted By
Sexual Contact Sharing Needles Mother to Baby
to Inject Drugs during pregnancy, birth,
or breastfeeding
HIV Is NOT Transmitted By
Air or Water Saliva, Sweat, Tears, or Insects or Pets Sharing Toilets,
Closed-Mouth Kissing Food, or Drinks
Protect Yourself From HIV
Get tested at least once or more often If you are at very high risk for HIV, ask your
if you are at risk. health care provider if pre-exposure prophylaxis
Use condoms the right way every (PrEP) is right for you.
time you have anal or vaginal sex. If you think youve been exposed to HIV within the
Choose activities with little to last 3 days, ask a health care provider about post-
no risk like oral sex. exposure prophylaxis (PEP) right away. PEP can
prevent HIV, but it must be started within 72 hours.
Limit your number of sex partners.
Get tested and treated for other STDs.
Dont inject drugs, or if you do,
dont share needles or works.
Keep Yourself Healthy And Protect Others
If You Are Living With HIV
Find HIV care. It can keep you healthy Tell your sex or drug-using partners that
and greatly reduce your chance of you are living with HIV. Use condoms the
transmitting HIV. right way every time you have sex, and talk
Take your medicines the right
way every day.
to your partners about PrEP.
Get tested and treated for other STDs.
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Stay in HIV care.
For more information please visit www.cdc.gov/hiv
National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention
July 2016
Division of HIV/AIDS Prevention
