80% of new HIV cases transmitted by undiagnosed or untreated people

Healio, March 18, 2019

In 2016, more than 80% of new HIV infections in the United States were transmitted by individuals who either did not know they were infected with HIV or had been diagnosed but were not receiving care, according to data released on the first day of the National HIV Prevention Conference in Atlanta.

New evidence supports HIV screening in young adulthood

Science Daily, December 19, 2017

A new study suggests that the most beneficial age for a one-time screening HIV test of the general population would be age 25.

The report — led by researchers at Massachusetts General Hospital  working with the U.S. Centers for Disease Control and Prevention (CDC) and the Massachusetts Department of Public Health — will be published in the Journal of Adolescent Health and has been issued online.

Youth Risk Behavior Surveillance: United States

Centers for Disease Control and Prevention, June 10, 2016

The CDC has released the report: Youth Risk Behavior Surveillance —  United States 2015.

The Youth Risk Behavior Surveillance System monitors six categories of priority health behaviors among youth and young adults: 1) behaviors that contribute to unintentional injuries and violence; 2) tobacco use; 3) alcohol and other drug use; 4) sexual behaviors related to unintended pregnancy and sexually transmitted infections (STIs), including human immunodeficiency virus (HIV) infection; 5) unhealthy dietary behaviors; and 6) physical inactivity.
A national school-based Youth Risk Behavior Survey (YRBS) is conducted by CDC and  by state and local education and health agencies. This report summarizes results for 118 health behaviors from surveys conducted among students in grades 9–12.

Relating to sex, the following behaviours were summarised:

Sexual Behaviors Related to Unintended Pregnancy and Sexually Transmitted Infections, Including HIV Infection
  • Ever Had Sexual Intercourse
  • Had First Sexual Intercourse Before Age 13 Years
  • Had Sexual Intercourse with Four or More Persons During Their Life
  • Currently Sexually Active
  • Condom Use
  • Birth Control Pill Use
  • IUD or Implant Use
  • Shot, Patch, or Birth Control Ring Use
  • Birth Control Pill; IUD or Implant; or Shot, Patch, or Birth Control Ring Use
  • Condom Use and Birth Control Pill; IUD or Implant; or Shot, Patch, or Birth Control Ring Use
  • Did Not Use Any Method to Prevent Pregnancy
  • Drank Alcohol or Used Drugs Before Last Sexual Intercourse
  • Tested for HIV

Behaviors that Contribute to Violence

  • Forced to Have Sexual Intercourse
  • Physical Dating Violence
  • Sexual Dating Violence
Many high school students are engaged in sexual risk behaviors related to unintended pregnancies and STIs, including HIV infection.
Nationwide, 41.2% of students had ever had sexual intercourse, 30.1% had had sexual intercourse during the 3 months before the survey (i.e., currently sexually active), and 11.5% had had sexual intercourse with four or more persons during their life. Among
currently sexually active students, 56.9% had used a condom during their last sexual intercourse.

Download report (PDF) here

HPV Sharply Reduced in Teenage Girls Following Vaccine, Study Says

Sexually active U.S. teens, young adults not getting HIV tests

Reuters health, January 20, 2016

\Most U.S. high school students and young adults who have sex don’t get HIV tests, according to a new report from the Centers for Disease Control and Prevention.

On average, just 22 percent of high school students and 33 percent of young adults aged 18 to 24 who report ever having sexual intercourse also report being tested at least once for HIV, researchers report in the journal Pediatrics.

Read more here

US guidelines on prevention with PLHIV now emphasise [additional] factors

nam, 05 January 2015

The American public health agency, the Centers for Disease Control and Prevention (CDC) has published new recommendations on the HIV prevention interventions and advice that should be offered to people who are HIV positive.  

Read more here