SARS-CoV-2 Pseudoviral Particles, Omicron-BA.4 Variant

Upon receiving this item, store at -70°C right away. Thaw* before immediate use. *Note: read the instruction for thawing in the following protocol carefully. Do not aliquot and refreeze. Shelf Life: Six months from the date of receipt when stored at -70°C<br>Ships on Dry Ice.<br><br><b>Dry Ice Shipment: </b>Extra charge fee may add to your shipping cost as dry ice is required to ship this product.<br><br><b>Shipping Note: </b>Product is available for shipment in the United States, Canada and European countries. Please inquire for shipment to other countries.