Vermin all these years has failed to materialize, rarely had time ticks lost in fur.
My order via Amazon at the seller MiaumiauBV I had made the price advantage compared to the previous purchase at a pharmacy.
To find out the expiration date of this product before ordering: click on the product page right in "All" the word "new", then on the open side to the supplier and to "state". There, the MHD is indicated.