bigsnake49
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Our Mothers are always right
I also wonder about the transmission in ships due to air conditioning systems. It was so unfair to all those people in the Diamond Princess being told that virus can be passed only by droplets, and they should not be afraid of air conditioning systems, which is not the case as we can see now. The good thing is that, apparently, the seriousness of COVID-19 depends on the amount of virus load one was exposed to, and in case of viruses being passed by air ventilation systems - if it is not in hospital environment packet with patients, the virus load passed by the air ventilation system should not be too bad. This is the statistics of the Diamond Princess
Diamond Princess 712 infected 13 deaths 644 recovered 55 active cases 7 serious
I think if the passengers were kept on board longer, both the number of infected people and the fatalities/serious cases were worse due to the fact that more sick passengers were using the same air which was passed throughout the ship to everyone.
To tell the truth, I absolutely dislike air conditioning as I often get allergy from it - start coughing and crying from the dust particles it carries within.
The air conditioning systems in ships and large building and even large houses are divided into zones. While you might or might not have a giant compressor powering the whole ship or a bunch of smaller ones, it is the air handler or blower that blows air over the coils. Before the air can get to the air handler it goes through a filter. Depending on your filter, you may or may not receive recirculated viruses. So the better the filter the better off you are. Also, the more recently the filter, the better the quality of air. In a giant ship there will be 100's of different zones. The giant dining rooms, casinos and performance amphitheater's is probably the ones that aided in the spread.
Also, the giant fans in some places are much worse than the air-conditioning because they just move air around without any filtering.