M44CE Microgen E.coli 0157 M44 Lot 07791 Expiry 2021-08 M44 Lot 07801 Expiry 2021-11 M44 Lot 08001 Expiry 2022-04 M44 Lot 07901 Expiry 2022-04 M44 Lot 08211 Expiry 2022-09