Vaccines are still effective against new COVID variants

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Vaccines are still effective against new COVID variants
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People with at least three doses of the mRNA vaccine (Pfizer or Moderna) have more than...

FILE - A health worker administers a dose of a COVID-19 vaccine during a vaccination clinic at the Keystone First Wellness Center in Chester, Pa., on Dec. 15, 2021. Government advisers are debating Tuesday, June 28, 2022, if Americans should get a modified COVID-19 booster shot this fall — one that better matches more recent virus variants. Q: I would like to ask you a basic question about COVID-19 booster shots, since no health authority seems to answer it directly.

Q: My total cholesterol levels in the past five years have ranged between 216 and 250, with LDL between 75 and 90, and HDL between 118 and 156. Medical professionals have remarked about the HDL numbers being so high. That has led them to assume that even though I have a family history of heart disease , because my HDL is so high, I am somehow “protected” or at a lesser risk of heart disease or heart attack. My mother had a high HDL but still needed bypass surgery.

Q: I am a 68-year-old man, and I recently had a 30-minute TIA. I spent one day in the hospital and had many tests done, all of which were normal. They found no blockage issues. My total cholesterol has been below 200 for forever. The hospital prescribed 40 mg of Lipitor. I could not tolerate this well — I had muscle aches — so I cut the pills to 20 mg. I take no other medications.

Q: I have a concern about my blood platelet count. It has always been low, but it seems to be declining. My doctor says it is not a concern. It was 125 in 2018 and has declined each year. It is now 76. What causes a low platelet, and is it a concern?There are three major blood cells: red blood cells, which carry oxygen; white blood cells, which fight off infection and tumors; and platelets, which are the first step in clotting blood. Low platelets have many possible causes.

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