It kills germs. By killing germs, it saves lives. Suppose you are sick. You go to a doctor. She examines you. She says you have a “staph” infection (葡萄球菌感染). She gives you some medicine. You take it. The medicine knocks out the staph. Soon you are well. Before penicillin,...
but it kills bacteria quickly. It’s often associated with the food industry, because of requirements dictating that food-contact surfaces be sanitized after use. However, dispatching germs quickly is useful in a lot of fields. You may not always have the time or means to complete...
Other bacteria are almost always harmful to humans. Cholera, a diarrheal disease that kills about 95,000 people worldwide each year, is caused byV. cholerae. The bacteriumYersinia pestis, spread by fleas that bite rodents, was responsible for theBlack Death. AndBacillus anthraciscan form almost ...
A staph infection is a type of condition in which a person experiences an infection with Staphylococcus aureus bacteria. Signs of...
The answer is penicillin (青霉素). It kills germs. By killing germs, it saves lives. Suppose you are sick. You go to a doctor. She examines you. She says you have a “staph” infection (葡萄球菌感染). She gives you some medicine. You take it. The medicine knocks out the staph. So...
It kills germs. By killing germs, it saves lives. Suppose you are sick. You go to a doctor. She examines you. She says you have a “staph” infection (葡萄球菌感染). She gives you some medicine. You take it. The medicine knocks out the staph. Soon you are well. Before penicillin,...