By Arthur Allen and Julie Appleby and Tarena Lofton

March 12, 2021

<br /> <span class="byline">Arthur Allen and Julie Appleby, Kaiser Health News and Tarena Lofton</span></p> <p>The twists and turns of the American healthcare system can sometimes leave people lost, confused, and looking for answers. We have created a new video series – “Explained by KHN” – in which our correspondents and editors answer general questions about health care and health policy. </p> <p>When promising news began to spread about the development, effectiveness, and spread of Covid-19 vaccines in the United States, the questions about vaccinations became even more viral. In this edition of “Explained by KHN” we will answer frequently asked consumer questions about Covid vaccines.</p> <p>KHN (Kaiser Health News) is a national newsroom that produces extensive journalism on health issues. Alongside Policy Analysis and Polling, KHN is one of the three most important operational programs of the KFF (Kaiser Family Foundation). KFF is a foundation that provides health information to the nation.</p> <h3>USE OUR CONTENT</h3> <p>This story can be republished for free (details).</p> <p>Copy HTML