anti-vaxxers. Vaccine hesitancy, also known as anti-vaccination or anti-vax,

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Fauci doubts effectiveness of coronavirus vaccine in US due to anti-vaxxers
America’s leading public health expert suggests vaccine would no疫苗忌避Vaccine hesitancy, also known as anti-vaccination or anti-vax, is a reluctance or refusal to be vaccinated or to have one's children vaccinated against contagious diseases despite the availability of vaccination services. It is identified by the World Health Organization as one of the top ten global health threats of 2019