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[quote=Anonymous]Vaccine does seems to reduce infections and not just symptoms. From WSJ a few weeks ago [url=https://www.wsj.com/articles/israel-vaccine-data-suggests-decrease-in-covid-19-infection-rate-after-first-dose-11610658607]here[/url]:

Israel’s largest health-care provider, Clalit Health Services, compared test positivity rates among 200,000 people over 60 who received the vaccine with 200,000 that didn’t. Until day 14, there was little difference between the two groups. But after that, the data showed a 33% fall in infection rates among those who had already been vaccinated compared with those who hadn’t.

Clalit noted that the number of people infected was statistically significant, but said it wouldn’t release final numbers until its study is published.

Pfizer says people must receive both doses of the vaccine for it to be fully effective. In Pfizer’s trials, the vaccine was shown to take about 12 days before it started to protect people.

The Clalit study suggests that the first dose could reduce infections among those vaccinated as early as two weeks after injection.

While Pfizer’s research was based on people who had symptomatic Covid-19 and a positive lab test, Clalit’s data analysis was based on Covid-19 tests provided both to people who felt symptoms and to those who didn’t, such as people who came into contact with others who had Covid-19, according to Ran Balicer, chief innovation officer at the Israeli health-care provider.[/quote]

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