- Moderna says COVID-19 vaccine booster will likely be needed before winter WJW FOX 8 News Cleveland
- Moderna says vaccine 93% effective for 6 months after 2nd dose WCVB Boston
- Moderna says vaccine's COVID protection stays steady for months theday.com
- Moderna says its Covid-19 shot remains 93% effective 4-6 months after second dose The Star Online
- View Full Coverage on Google News
source https://news.google.com/__i/rss/rd/articles/CBMiYGh0dHBzOi8vZm94OC5jb20vbmV3cy9tb2Rlcm5hLXNheXMtY292aWQtMTktdmFjY2luZS1ib29zdGVyLXdpbGwtbGlrZWx5LWJlLW5lZWRlZC1iZWZvcmUtd2ludGVyL9IBZGh0dHBzOi8vZm94OC5jb20vbmV3cy9tb2Rlcm5hLXNheXMtY292aWQtMTktdmFjY2luZS1ib29zdGVyLXdpbGwtbGlrZWx5LWJlLW5lZWRlZC1iZWZvcmUtd2ludGVyL2FtcC8?oc=5

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