Dodatkowe przykłady dopasowywane są do haseł w zautomatyzowany sposób - nie gwarantujemy ich poprawności.
The problem with that idea was that it would suggest a huge, overwhelming infecting dose, which also seemed unlikely.
If the infecting dose of virus is high, abundant viral neuraminidase breaks down the mucosal layer, allowing access of the virus to the underlying epithelial cells.