* New Words:
- in the name of: for the sake of
- vaccine trial (n): the vaccine is still in development,
- immune response (n): a reaction from our body to defend against the virus.
COVID-19 Phase 3.
* New Words:
- in the name of: for the sake of
- vaccine trial (n): the vaccine is still in development,
- immune response (n): a reaction from our body to defend against the virus.
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