Implications? Gleaned from a medical site.
"Coronavirus is enveloped, meaning the virus has coating on the outside of it. As it happens, the envelope means that the virus doesn’t survive well outside of the body—they usually can’t last longer than 24 hours outside of the body and usually only last less than 12. This is a good thing in terms of containing an outbreak. It also means coronavirus can be killed by hand sanitizer and soaps, which isn’t the case with other types of viruses (most notoriously norovirus), so your biggest defense against coronavirus is washing your hands. The problem with viral envelopes is that they allow the virus to more easily evade your immune system. So, the enveloped virus has a disadvantage outside of a person, but once it gets in, the envelope gives it a dangerous edge. Enveloped viruses (which include influenza) tend to cause longer, more problematic infections for this reason and are more difficult to develop a vaccine for because of the envelope".
Remember, FDA regs are meant to be all encompassing not just virus specific. A virus is an obligate intracellular parasite. They are not very tough extracellular. I think this makes the sterility barrier much lower. However, a damp warm environment is just perfect for bacterial and fungal growth. Still having a sub micron filter in line screens a lot of junk.
Changing subjects slightly I read an unconfirmed note that one of the early symptoms of corona virus infection was a loss of smell. Interesting but single source.
Dave _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
