Faktakoll: På tal om ansiktsmasker
I veckan presenterades då slutligen den kontroversiella Danska studien om ansiktsmasker.
Här kan du läsa en mängd fakta om studien. Till exempel att många avbröt experimentet i förtid.
Anmärkningsvärt är också att de som ligger bakom studien rekommenderar att man ska bära mask.
KEY FACTS
The study, authored by a group of cardiologists in Denmark, studied about 6,000 participants in Denmark, half of whom were told to wear masks and half of whom were not.
The authors found that 42 of the participants who were told to wear masks contracted Covid-19, while 53 of the participants in the control group got the disease, a difference that they said was not statistically significant.
The study did not investigate whether masks prevented those infected with Covid-19 from infecting other people.
Some politically conservative voices on social media have touted this study as proof that masks won’t stop the spread of Covid-19.
However, experts swiftly pointed out that the study has many limitations, including low compliance (many people did not complete the study, and a high percentage of people who were supposed to wear masks did not) and that it took place in a population where spread of Covid-19 was already low.
Multiple studies have found that mask wearing has a big impact on Covid-19, including one in October which found areas in Tennessee with mask mandates had lower hospitalization rates than areas that don’t.
Länk till artikeln i Forbes;
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- Redigerat 2020-11-20 23:50 av Pyttelite