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Novel Coronaviruses including COVID-19
Mutations, Variants, and Vaccines

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You can take the test without obligation. To earn CE credit, you need to pass the test, complete an evaluation, and register/pay for your Certificate of Completion. Your Certificate will be delivered online immediately upon completing the course registration. (There is no charge for free courses and online certificate delivery.)

  • You must score 70% or better to pass this test.
  • Select one answer for each question.
  • Review your selections before submitting the test for grading.
Test Question

1. Which term is used to describe a sudden increase in the number of disease cases over a wide geographic area and affecting a high proportion of the population?

Test Question

2. Which is a true statement about novel coronaviruses?

Test Question

3. Which term is used to describe the body recognizing viruses as foreign substances and reacting to these viruses with an immune response?

Test Question

4. When are people with SARS-CoV-2 most infectious to others?

Test Question

5. Which statement best explains the process of viral mutation that occurs during antigenic drift?

Test Question

6. Which vaccine type is contraindicated for persons with weakened immune systems?


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