Study shows vaccines carry much lower risk of blood clots than COVID-19 CBS NewsIn world first, Denmark ditches AstraZeneca's COVID-19 shot Yahoo NewsToronto medical officer of health says the risk of vaccine-related blood clots is still 'very rare' Toronto StarEditorial: All drugs come with risk. The COVID vaccines are no different Los Angeles TimesOpinion | Should Rare Side Effects Halt Use of a Vaccine? The New Yo