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… never had chickenpox or the chickenpox vaccine, you have no immunity against the virus. This means that the virus can … Plan to or can possibly become pregnant. Having chickenpox immunity prevents complications of chickenpox during … of chickenpox. Are required to prove chickenpox immunity for work or school. Treatment Overview Treatment …
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… is given as 1 dose or shot. The vaccine provides effective immunity within 30 days for 99 per cent of those vaccinated. … of yellow fever vaccine is enough to build life-long immunity against yellow fever. A booster dose of the vaccine …
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