During America’s last surge of the coronavirus driven by the Delta variant, people who were unvaccinated but survived Covid were better protected than those who were vaccinated and not previously infected, a new study said Wednesday. The finding is the latest to weigh in on a debate on the relative strengths of natural versus vaccine-acquired immunity against […]
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In Haiti, virus crisis leaves cancer patients in limbo In early March, 31-year-old Melchior visited a doctor in his home country of Haiti, ...
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