I believe that IPV vaccine is avaliable with VVM 14 and 30. VVM 14 color changes faster, can we use IPV with VVM 30 for immunization program? Any price difference between VVM 14 and 30? Can someone help to respond?...

TechNet has published a new page that contains a huge list of user guides for WHO-PQS prequalified cold chain equipment temperature monitoring devices. It is organised into the following sections: Shipping indicators Freeze indicators Threshold indicators Vaccine Vial Monitors (VVM) Remote te...

📢 Hey team! Quick check-in: Guys, have you revisited your lessons on Vaccines & Cold Chain Management? Find below a comprehensive list of relevant courses available on AGORA. This is crucial knowledge for ensuring vaccine potency and effective immunization delivery. Make sure you're clear on :...

Hi all, I have a question regarding VVM type.  I'd like to know what factors contribute towards the VVM type for a particular vaccine.  For example, I see two vaccines for the same antigen, Diphtheria-Tetanus (reduced antigen content), with the same presentation, liquid 20-dose vial...

  Dear Colleagues, Greetings! I am writing to raise a question regarding the recent WHO-prequalified Hexavalent vaccine (HEXASIIL) manufactured by SII. There has been growing interest in switching from Penta to Hexa due to its potential advantages, such as a reduction in the numb...

Interested in knowing more on Vaccine Vial Monitors (VVM)? TechNet just released a new dedicated page for you to find all important resources and information on VVM in one place: https://www.technet-21.org/en/topics/vvm  The page is mainly designed for vaccinators and supply chain manage...

Commentary paper authored by me, Kelly Lynn Moore and John Lloyd "Logistical challenges for potential SARS-CoV-2 vaccine and a call to research institutions, developers and manufacturers" is now available online in VACCINE journal. https://www.sciencedirect.com/science/article/p...

Dear Community, The video and presentation of the great webinar on Vaccine Vial Monitor (VVM) that took place on Tuesday 21 are now available! Link to the presentation: https://www.technet-21.org/en/library/main/6160-vvm-based-vacine-management-technet-21-webinar Link to the video: https://www.yo...

Please join us for a webinar on vaccine vial monitor (VVM)-based vaccine management, on the occasion of publishing of “The Book of VVM: Yesterday-today-and-tomorrow” by Umit Kartoglu. The webinar will take place on Tuesday, January 21st at 4pm CET. During the webinar, the presenters will discuss the...

After reading Umit's book my interest in what I call the "buffered Cold Chain" BCC, was renewed.In his book I found the history and the description of the obstacles which were overcome very interesting. By BCC I mean a cold chain which will maintain temperatures between 20 degC and 25 degC . These ...

Great achievement for the VVM. Bravo Umit...

The story of a time and temperature indicator (vaccine vial monitor) that has dramatically changed the course of vaccine management practices as well as shaped the future of cold chain, THE BOOK OF VVM: YESTERDAY-TODAY-and-TOMORROW is now available for free download in ePUB3 and PDF formats. http:/...

Dear viewers After seeing VVM in discard stage much prior to expiry date both in the store and at the service point, our team thought of developing a job-aid for display in the vaccination clinic for IEC, educating nursing / medical students, interns, post graduates, beneficiaries, care takers whil...

Dear colleagues, I am working on a new book project on VVM. I would like to include examples of the following and shall be grateful if you could kindly contact me. Your help is much appreciated! If you have any of the following, besides sending the material, I'd appreciate it if you could kindly ...

Dear all,  Can any one explain how the decision is made as to which type of VVM is assigned to different vaccines, with examples? Are same vaccines manufactured by different manufactures assigned different type of VVM? Thanks,  Chandralal...

Imagine that VVM’s do not exist. As an alternative a tiny electronic device could be developed which would record the temperature history of the vaccine vial. The device would be attached to the vial and graphically display the temperature history of the vaccine. If a health worker wanted to know ho...

Most of the countries now have improved immunization coverages and reach more children with vaccination, but we still need to monitor the potency of vaccines that are given on top of the high coverages we have achieved in many countries. One of the biggest challenges when we talk about vaccine pot...

Dear viewers  All of us are witnessing rapid multidimensional growth of routine immunization in the current decade. Keeping pace with the rapidly expanding / frequently changing schedule itself is a challenge faced by the service providers, more so in the private sector. Pilot study revealed dange...

Dear Colleagues, I trust this post finds you all very well! I would be grateful if you could please provide (based on your experiences), the possible sources (misuse, VVM, expiry, breakage, etc.) and rate of occurrence of close vial vaccine wastage at the lowest distribution and service delivery l...

Vaccines can tolerate temperatures above 8 deg C however temperatures below 0 deg C will freeze a vaccine and it will lose it’s efficacy. At temperatures above 8 deg C the life of a vaccine will be lowered but the exposure will not be catastrophic. For the most sensitive vaccine, VVM II, the life of...