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What is a breakthrough COVID-19 case?  Vaccine breakthrough cases are instances in which a person received a positive COVID-19 test result at least 14 days after the final dose of any COVID-19 vaccine series. This definition includes everything from asymptomatic infections to cases that result in hospitalization and death. Breakthrough cases are sometimes identified through mandatory testing before surgery or to go back to work, not because vaccinated people are showing symptoms. In fact, at least two fully vaccinated Olympians on Team USA s roster have tested positive for COVID-19 and neither of the two athletes reported feeling any symptoms. State and federal health officials are tracking “breakthrough cases” to help understand transmission among vaccinated people and whether the vaccines might not work as well against certain strains of the virus.

United statesCity ofUnited kingdomWhite houseDistrict of columbiaTim spectorDeidre giffordOlympians on team united statesMassachusetts department of public healthTeam united statesMassachusetts departmentPublic healthஒன்றுபட்டது மாநிலங்களில்நகரம் ஆஃப்ஒன்றுபட்டது கிஂக்டம்வெள்ளை வீடு