EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)
EditorialHarriet Brown, who has a number of cancer-related ailments and is tested regularly, at home in Frederick, Md., May 2, 2023. (Andrew Mangum/The New York Times)