Anew vaccine has been approved to treat a new strain of the flu virus. the two agencies that most likely played a role in the development and approval of the vaccine are the

fda and cms.
cdc and fda.
niosh and cms.
cdc and niosh.

Answer

B. CDC and FDA

Explanation

Under the CDC,GID (Global Immunization Division) ensures effectiveness of global public health programs which include vaccination against deadly diseases. The division works with other partners to ensure vaccine-preventable diseases are handled. The Food and Drug Administration’s (FDA) top priority is the ensure the safety and effectiveness of vaccines. Through the Centre of Biologics Evaluation and Research (CBER), over sighting of vaccines in the U.S is done to assure the availability of safe and effective vaccines.