CDC guidance 2019 majus:
"Our systematic review found no significant effect of face masks on transmission of laboratory-confirmed influenza."
WHO guidance 2019 oktober:
"OVERALL RESULT OF EVIDENCE ON FACE MASKS Ten RCTs were included in the meta-analysis, and there was no evidence that face masks are effective in reducing transmission of laboratory-confirmed influenza."
Covid utan,
CDC marc 31:
"in fact, the mainline public health message in the U.S. from the Centers for Disease Control and Prevention has been that most people don't need to wear masks."
WHO 2020 marc 31:
""There is no specific evidence to suggest that the wearing of masks by the mass population has any potential benefit. In fact, there's some evidence to suggest the opposite in the misuse of wearing a mask properly or fitting it properly,"
WHO guidance 2020 junius:
"At present, there is no direct evidence (from studies on COVID-19 and in healthy people in the community) on the effectiveness of universal masking of healthy people in the community to prevent infection with respiratory viruses, including COVID-19."
Roviden, szerintuk sem hatasos.
Ajanlani mostansag nagyon ajanljak, de hatasosnak nem gondoljak :)
"Our systematic review found no significant effect of face masks on transmission of laboratory-confirmed influenza."
WHO guidance 2019 oktober:
"OVERALL RESULT OF EVIDENCE ON FACE MASKS Ten RCTs were included in the meta-analysis, and there was no evidence that face masks are effective in reducing transmission of laboratory-confirmed influenza."
Covid utan,
CDC marc 31:
"in fact, the mainline public health message in the U.S. from the Centers for Disease Control and Prevention has been that most people don't need to wear masks."
WHO 2020 marc 31:
""There is no specific evidence to suggest that the wearing of masks by the mass population has any potential benefit. In fact, there's some evidence to suggest the opposite in the misuse of wearing a mask properly or fitting it properly,"
WHO guidance 2020 junius:
"At present, there is no direct evidence (from studies on COVID-19 and in healthy people in the community) on the effectiveness of universal masking of healthy people in the community to prevent infection with respiratory viruses, including COVID-19."
Roviden, szerintuk sem hatasos.
Ajanlani mostansag nagyon ajanljak, de hatasosnak nem gondoljak :)
CoronaVirus
https://mobile.twitter.com/hashtag/Wuhan?f=live