Authorities are scrambling to figure out how a security guard in his 20s was infected with coronavirus despite wearing personal protective equipment during his shifts at a quarantine hotel. It comes as health experts across Australia plead for the Australian government to update all COVID-19 guidance to emphasise the risk of aerosol transmission. An open letter from Health Care Workers Australia has demanded national action on aerosol transmission of COVID-19 , claiming essential workers in Australia are wearing poorly fitted surgical masks, which do not afford any satisfactory level of protection against airborne pathogens in high-risk environments. This has led to infections in these workers and spread into the wider community, resulting in large outbreaks with major economic and social disruption, the group warned.
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Published 27 January 2021
As the number of new cases of COVID-19 and deaths continue to increase in Nigeria, and elsewhere in the world, it’s time to review how this disease is transmitted. Even among those that seem to observe the safety protocols, there have been infections.
Initially, the consensus was that the disease was spread by droplets that don’t go beyond six feet.
But as scientists began to beam more light on the virus, they found compelling evidence that the spread of the virus could not be explained by droplets infection alone.
After some scientists mounted pressure on the World Health Organisation, it accepted that indeed the virus could also be spread by aerosol, but that it could only occur in nebulisation, intubation and other medical procedures that can generate aerosol. And added half-heartedly, that, “Further studies are needed to determine whether it is possible to detect viable SARS-CoV-2 in air samples from settings where
Air transmission of coronavirus
Tue Jan 19 2021
As the number of new cases of COVID-19 and deaths continues to increase in Nigeria, and elsewhere in the world, it’s time to review how this disease is transmitted. Even among those that seem to observe the safety protocols, there have been infections.
Initially, the consensus was that the disease is spread by droplets that don’t go beyond six feet.
But as scientists began to beam more light on the virus, they found compelling evidence that the spread of the virus cannot be explained by droplet infection alone.
After some scientists mounted pressure on the World Health Organisation (WHO), it accepted that indeed the virus could also be spread by aerosol, but that it could only occur in nebulisation, intubation and other medical procedures that can generate aerosol. And it added half-heartedly, that, “Further studies are needed to determine whether it is possible to detect 0iable SARS-CoV-2 in air samples from settings where