Many specialists stated the W.H.O. should embrace what some referred to as a “precautionary principle” and others referred to as “needs and values” — the concept even with out definitive proof, the company should assume the worst of the virus, apply widespread sense and suggest the very best safety possible.
“There is not any incontrovertible proof that SARS-CoV-2 travels or is transmitted considerably by aerosols, however, there may be completely no proof that it’s not,” stated Dr. Trish Greenhalgh, the University of Oxford in Britain.
“So, for the time being, we’ve got to decide within the face of uncertainty, and my goodness, it’s going to be a disastrous determination if we get it unsuitable,” she stated. “So why not simply masks up for a couple of weeks, just in case?”
After all, the W.H.O. appears willing to simply accept with out a lot proof the concept the virus could also be transmitted from surfaces, she and different researchers famous, at the same time as other health companies have stepped again emphasizing this route.
“I agree that fomite transmission will not be immediately demonstrated for this virus,” Dr. Allegranzi, the W.H.O.’s technical lead on an infection control, stated, referring to things which may be infectious. “But it’s well-known that different coronaviruses and respiratory viruses are transmitted, and demonstrated to be transmitted, by contact with fomite.”
The company additionally should think about the wants of all its member nations, together with these with restricted sources, and ensure its suggestions are tempered by “availability, feasibility, compliance, useful resource implications,” she stated.
Aerosols could play some restricted position in spreading the virus, stated Dr. Paul Hunter, a member of the infection prevention committee and professor of drugs at the University of East Anglia in Britain.