Conflicting results presented by the UK on Pfizer vaccine.

https://sg.news.yahoo.com/one-dose-astrazeneca-pfizers-vaccine-230100727.html

The UK has just released a study that touts Pfizer's efficacy on a single dose.

However, earlier real-world results in Israel presented a different story.

https://sg-stock.blogspot.com/2021/01/more-than-12k-israelis-are-getting.html

https://sg-stock.blogspot.com/2021/01/israels-virus-czar-says-1st-dose.html

Same vaccine but different results in 2 countries!  This is so confusing!