Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. For people who experienced an allergic reaction to their first mRNA COVID-19 vaccine, skin testing ...

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A medical expert says says Matthew Shelton's comments were "alarmist" and "inflammatory".

Please provide your email address to receive an email when new articles are posted on . Delayed large local skin reactions were most common. 40% had a negative change in their perception of the ...

In response to the spread of the novel coronavirus, some medical offices have converted to telemedicine visits or closed entirely. Elective procedures have been postponed. Some hospitals have rationed ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Skepticism around the safety of vaccines has led to falling measles ...

HHS Secretary Robert F. Kennedy Jr's announcement circumvents the standard vaccine recommendation process, during which the CDC's vaccine advisory committee will meet to vote on and establish ...