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...

If 30 DTR is  kept inside the refrigerator to  monitor the vaccine temperature, do we need to keep freeze alert  or freeze tag also together with 30 DTR or not? Can some one help to respone. Thank you ...