Covid19 scientific info in favor of putting on a mask

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check this list of men and women without having indicators and their electricity of contagiousness as well as the achievable airborne transmission of the virus: as a lot of info which enhance the arguments in favor of donning a mask for all.





How to understand the modify in situation of the French authorities vis-à-vis the donning of masks? Whilst federal government spokesperson Sibeth Ndiaye stated on March 25 that citizens "did not need to have masks" when barrier gestures were effectively respected, 9 times later, Jérôme Salomon, the director basic of health , mentioned "inspire the general community, if they would like, to put on masks and in distinct option masks (other than surgical or FFP2)." Considering that then, the Odoxa-Dentsu Consulting poll carried out on April eight and nine for France Info and Le Figaro displays that 76% of French men and women believe that the federal government has lied to them on this position, believing that the very first tips have been only aimed at alleviating the shortage of masks to reserve them for healthcare professionals. Nevertheless, scientific arguments attest - as knowledge of the SARS-CoV-2 virus turns into clearer - that barrier gestures can, in truth, be efficiently supplemented by putting on a mask, even in cloth. Assessment of the principal arguments in favor of its donning.

So-named "asymptomatic" individuals transmit the virus effectively
The 1st outcomes of a examine carried out because the conclude of February by an Inserm team, led by Professor Xavier Duval, and made public on April 1, confirmed that “there are numerous people in whom an excretion of the virus at the amount of their saliva and their nasal cavity is demonstrated by systematic nasopharyngeal swabs, prior to they create signs and symptoms - or even with out them developing ”. In other words and phrases, so-referred to as asymptomatic folks can peddle the virus without having knowing it. According to Inserm, "these data allow us to greater recognize the actions of the virus and to quickly adapt the actions to safeguard ourselves from it," donning a mask is one of these "adaptive" steps.



Asymptomatic men and women are as contagious as the sick
In addition to obtaining a viral load in folks with no indicators, they can be as contagious as the sick. Scientists at the University of Hong Kong have highlighted this by tracing the chain of transmission of 157 symptomatic and thirty asymptomatic circumstances in the Chinese city of Ningbo. Their results released on April 2 on the prepublication web site MedRxiv demonstrate “that there is no difference in the costs of transmission of the coronavirus in between symptomatic and asymptomatic patients”. This summary only confirms that of another staff of scientists who experienced also investigated at Ningbo. Adhere to-up of two,147 near contacts proven an infection price of 6.three% in verified instances and four.1% in asymptomatic sufferers. A big difference that is not substantial (Chinese Journal of Epidemiology).