Is there any bovine content in BCG Vaccine SSI or its diluent?
The response from the manufacturer reads: ‘The BCG vaccine and diluent do not contain bovine material. The substrates used in the production of the vaccine and in the diluent are purely synthetic’. 2. Various questions describing scenarios where the vaccine has been out of cold chain conditions. The manufacturer has advised that stability studies have shown that the loss of activity for BCG vaccine is less than 2% if the vaccine were to be inadvertently stored at room temperature (approx 23°C) for up to 48 hours. The long term stability following such storage has not been studied by the manufacturer. The diluent can be kept at room temperature for the entire duration of the shelf life.
