Category: Effectiveness Over Time

Increases in COVID-19 are unrelated to levels of vaccination across 68 countries and 2947 counties in the United States

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Authors: S. V. Subramanian & Akhil Kumar  European Journal of Epidemiology (2021) Vaccines currently are the primary mitigation strategy to combat COVID-19 around the world. For instance, the narrative related to the ongoing…[...]

Impact and effectiveness of mRNA BNT162b2 vaccine against SARS-CoV-2 infections and COVID-19 cases, hospitalizations, and deaths following a nationwide vaccination campaign in Israel: an observational study using national surveillance data

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Eric J HaasFrederick J AnguloJohn M McLaughlinEmilia AnisShepherd R SingerFarid KhanNati BrooksMeir SmajaGabriel MircusKaijie PanJo SouthernDavid L SwerdlowLuis JodarYeheskel LevySharon Alroy-PreisAuthors: During the analysis period (Jan 24 to April 3,…[...]

Effectiveness of mRNA BNT162b2 COVID-19 vaccine up to 6 months in a large integrated health system in the USA: a retrospective cohort study

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Authors: Sara YTartofPhDaeJeff MSlezakMSaHeidiFischerPhDaVennisHongMPHaBradley KAckersonMDbOmesh NRanasingheMPHaTimothy BFranklandMAcOluwaseye AOgunMDaJoann MZamparoMPHdSharonGrayMSdSrinivas RValluriPhDdKaijePanMSdFrederick JAnguloPhDdLuisJodarPhDdJohn MMcLaughlinPhDd Between Dec 14, 2020, and Aug 8, 2021, of 4 920 549 individuals assessed for eligibility, we included 3 436 957 (median…[...]