Manage episode 335487901 series 2648988
The exclusive club of people who have not had Covid continues to shrink. However, some experts say that most people have been infected even if you didn’t realize it as some 40% of confirmed cases are asymptomatic. Immunologists are looking into whether exposure to other pathogens or coronaviruses could trigger immune responses before Covid spreads. Julie Wernau, health and medicine reporter at the WSJ, joins us for those that think they have remained Covid-free.
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