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The FDA has confirmed that Moderna's COVID-19 vaccine is safe and effective, with a decision on emergency use expected soon. If approved, it will be the second vaccine available in the US. Some mild side effects like fatigue and headaches were noted. Meanwhile, Sanofi and GlaxoSmithKline's vaccine will be delayed due to low immune response in older adults, prompting further trials. Acknowledgments were given to Kaiser Health News for their partnership.

What is the status of Moderna's COVID-19 vaccine according to the FDA?

• It is only safe.

• It is unsafe and ineffective.

• It is safe and effective.

• It is only effective.

What is the regimen for Moderna's COVID-19 vaccine?

• Four doses

• Three doses

• Two doses

• One dose

Why is Sanofi and GlaxoSmithKline's vaccine delayed?

• High production costs

• Low immune response in older adults

• Lack of raw materials

• Regulatory issues

What is Sanofi's plan to address the vaccine's low immune response?

• Reformulate the vaccine and conduct new studies

• Discontinue the vaccine

• Increase the dosage

• Focus on a different disease

What is a significant capability of Sanofi in vaccine production?

• Limited production capacity

• Large-scale manufacturing ability

• Exclusive distribution rights

• Unique vaccine formulation