We've been using the Millipore antibody against E protein for the flavivirus group, but I want to do some FACS and was wondering if there's a pre-conjugated version out there.
MyBiosource offers a mAb against Flavivirus which they say they will conjugate with HRP, FITC, etc on a "minimum order basis". Here's their page: http://www.mybiosource.com/prods/Antibody/Monoclonal/Flavivirus/datasheet.php?products_id=320176
It might also be worth asking some other suppliers if they will do the same. Here are some of our listings: https://www.linscottsdirectory.com/antibodies?q=flavivirus