Which of the following statement is/are true about Novavax's vaccine?

• A. It is meant to create antibodies that block a protein "spike" that the virus uses to infect its host.
• B. After seeing a strong immune response in animal testing, Novavax selected its vaccine candidate in April.
• C. Novavax Inc. is a company and the name of the drug is NVX-CoV2373.
• D. All the above are correct