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Maryland pauses use of Johnson & Johnson COVID vaccine as CDC , FDA study six reports of blood clots - w comments from our Jeffrey Kahn {{USERNAME}} Baltimore Sun {{URL}}
 Maryland, Johnson & Johnson COVID vaccine, CDC, FDA, blood clots, Jeffrey Kahn
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 Maryland, Johnson & Johnson COVID vaccine, CDC, FDA, blood clots, Jeffrey Kahn