smodium parasites a) have evolved resistance to quinine and its derivatives, b) can now be transmitted through sexual contact, c) have developed a resistance to the malaria vaccine, d) all of the above a) have evolved resistance to quinine and its derivatives ??? ??? ??? Giardiasis is a disease that is spread a) by direct person-to-person contact, b) through the air, c) through the water, d) by th