Welcome to KOSI.MA!

KOSI.MA, the competence center for sexually transmitted infections in Mannheim, is an offer for all citizens who have questions about the subject of HIV / AIDS and other sexually transmitted infections (STIs).

We offer support concerning the themes of HIV / AIDS, other sexually transmitted infections (STIs) and sexual health by answering these and other questions:

  • How can I protect myself from sexually transmitted infections such as HIV, chlamydia, syphilis or hepatitis?
  • Did I have a risk situation during sex?
  • I am HIV positive - what happens next?
  • My friends and family are worried. Where can I find help?
  • Who should I tell about my infection?
  • Will my partnership / relationship be affected by my infection?

You can reach us via phone (except on public holidays) on:

Tuesdays 4:00 p.m. - 6:00 p.m.

Thursdays 9:00 a.m. - 11:00 a.m.

No matter what sexual orientation or identity - you are welcome!


If you suspect having been exposed to a risk of infection, you can be tested at the checkpoint. We offer a detailed and non-judgemental consultation before getting tested which promotes a more conscious health behavior. The consultation and testing is confidential. Due to Covid-19 security measures you have to make an appointment for the checkpoint, though.

Next Checkpoint: January 14th, 2020, 17:00 - 19:00.
(Appointments can be made by phone from January 5th 4:00 p.m. onwards)

1. Before the checkpoint:

  • Make an appointment by phone
  • Fill out the questionnaire online and bring the code (10-digit number) you receive at the end of the questionnaire to your appointment
  • Come in time. If you are late, the appointment has to be canceled
  • If you show symptoms of a cold, please cancel / postpone the appointment and stay away from the center

2. During the checkpoint:

  • Check-in and check-out at the reception
  • Wear a face mask
  • Disinfect your hands at the reception
  • Maintain a minimum distance of 1.5 m
  • Wash your hands regularly and disinfect them afterwards
  • Sneeze and cough into the crook of your arm
  • Don't touch your face
  • Avoid any form of body contact

3. After the checkpoint:

  • Call in for the results on Thursday the following week

Here you can find a selection of other test options in the Rhine-Neckar region.

    Information about HIV/AIDS and STIs

    You can find information about HIV and STIs in multiple languages under the following links:

    Deutsche Aidshilfe (German & English)

    Zanzu (German, Dutch, English, French, Russian, Turkish, Arabic, Farsi, Bulgarian, Polish, Romanian, Spanish and Albanian)

    Note: If you have a Gmail or Googlemail address, our emails will likely end up in your spam folder. This is due to algorithms of the email providers which is why we cannot change this error at the moment. Please check your spam folder for our answer if you have a Gmail or Googlemail address.