Which is better, Miao Sanduo Shuo Teng or Pfizer?

1. Brand information: Shuo Teng Miao Sanduo is a product of Shuo Teng Company, a well-known veterinary drug company. Pfizer's main business areas include pharmaceuticals, biological products and animal health care, and its pet vaccines belong to Wu Weijia series.

2, product dosage form: Shuo Teng Miao San Duo is an injection, which needs to be injected into the deltoid muscle of the upper arm. In contrast, Pfizer's vaccine is freeze-dried powder for injection, which can be used by cats and dogs, making it more convenient.