As the rollout of the Johnson & Johnson and AstraZeneca COVID-19 vaccines face hurdles around the world, we take a look at the science behind the shots and the risk of "extremely rare" blood clots.

As the rollout of the Johnson &amp; Johnson and AstraZeneca COVID-19 vaccines face hurdles around the world, we take a look at the science behind the shots and the risk of "extremely rare" blood clots.

COVID-19 vaccines and blood clots explained

From industry news to techy trends to newsmaker interviews, no technology angle is too small or obscure to explore. Our reporters take you there in this video series that aims to bring you even closer to the tech news you find daily on CNET News.

Share COVID-19 vaccines and blood clots explained

Sign up to save your podcasts

COVID-19 vaccines and blood clots explained

COVID-19 vaccines and blood clots explained