If we think, for example, of Louis Pasteur, who in the 1860s was asked to study the diseases of silk worms for the silk industry, and his discoveries were really the beginning of the germ theory of disease.
Dacă ne gândim, spre exemplu, la Louis Pasteur, căruia în anii 1860 i-a fost cerut să studieze bolile viermilor de mătase pentru industria mătăsii, iar descoperirile lui au fost începutul teoriei patogenetice a bolii.