Continue reading the main story. Continue reading the main story. Unlike her Newbery Medal-Â­winning novel, âWhen You Reach Me,â in which time travel is the subtext to all the interwoven story lines, Rebecca Steadâs new book, âLiar & Spy,â is firmly grounded in the here and now.What the two do share is a mood of shimmery unrest.Part comingÂ­-of-age tale, part mystery, âLiar & Spyâ takes place in contemporary Brooklyn and revolves around a seventh-grade loner and misfit named Georges.hat the two do share is a mood of shimmery unrest. Part comingÂ­-of-age tale, part mystery, âLiar & Spyâ takes place in contemporary Brooklyn and revolves around a seventh-grade loner and misfit named Georges.
Credit: iStockphoto. Infection with a pathogen does not necessarily lead to disease. Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease occurs when the cells in your body are damaged as a result of infection and signs and symptoms of an illness appear. The incidence of disease among those infected varies greatly depending on the particular pathogen and individual susceptibility.
1 Viruses-Viruses are extremely small and consists of DNA with a protective coating of protein. 2  Diseases caused by viruses include influenza, the common cold, measles, yellow fever, and hepatitis. 3  Bacteria-Bacteria are small microorganisms. 4  They can cause diseases such as tuberculosis, cholera, typhoid fever, and tetanus. Bacteria-Bacteria are small microorganisms. 2  They can cause diseases such as tuberculosis, cholera, typhoid fever, and tetanus. 3  Parasites-Parasites are organisms that live off their hosts. 4  Some parasitic diseases include malaria, sleeping sickness, and scabies. 5  Fungi-Fungi are microorganisms such as yeasts and molds.