Scientists find secret 'back door' flu viruses use to enter cells
When you buy through links on our site , we may make an affiliate perpetration . Here ’s how it works . Most flu viruses enter human cells through a exclusive entryway — but new research has revealed a " back door " some germs can practice to more easily taint cells and startle between species . Seasonalinfluenzaviruses infectabout 1 billion peopleeach year . Typically , these flu viruses enter our cells by bond to sugar molecules , calledsialic acids , on the surfaces of cell ....