How long is vaccine effective for COVID-19?
New research finds that the mRNA vaccines from Moderna and Pfizer can lose effectiveness over time. However, the initial protection will vary from person to person. Recent research finds that …
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The longest length of US president term
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In the United States, the president of the United States is elected through the United States Electoral College to a four-year term, with a term limit of two terms (totals … -
The length of a standard violin
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Violins have standard sizes for adults as and slightly smaller 7/8 size for women and teenagers. Full-size violins range from 13” to as much as 17” and up. Violins come … -
How long is Toyota warranty?
- October 21, 2021
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What warranty coverage do I have on my Toyota vehicle? The factory coverage warranty period begins on the vehicle’s in-service date, which is the first date the vehicle is either … -
How long is a penis?
- January 11, 2021
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The average length of an erect human male penis is about 13 cm or 5 inches, while the average length of a flaccid, pendulous penis is about 9 cm or …