The process by which a disease-causing organism enters the body and causes illness.
The transmission of harmful influences or ideas from one entity to another, leading to a change or deterioration in condition.
Example:
「トイレの便座からエイズが感染することってあるの？」「いいえ、ありません」
A medical condition that arises when pathogenic microorganisms invade the body, multiply, and potentially produce toxins, leading to illness.
A category of diseases that can be transmitted from one organism to another, but also includes those that do not spread between individuals, encompassing a broader range of ailments caused by infectious agents.
An illness resulting from the transfer of pathogenic agents, which can occur through various means such as ingestion or skin contact, and may lead to widespread health effects.
Example:
耳の感染症によくかかります。
An infection that occurs within a healthcare facility, particularly affecting patients who are receiving treatment or care there.
The transmission of pathogens among individuals in a hospital setting, often originating from patients already admitted, especially those with compromised health.
An acquired infection occurring in a medical institution, emphasizing the risk of disease spread directly linked to the hospital environment.
A method of transmission where pathogens enter the body through the respiratory tract after being dispersed in the air.
An infection that occurs when pathogens are inhaled from the air, leading to disease as a result of airborne contact.
The process by which infectious agents spread through the air and are inhaled, causing illness in individuals.
A type of infection that occurs when an individual comes into physical contact with an infected person, animal, or contaminated source, leading to the transmission of pathogens.
The process through which germs are spread by touching infected surfaces or individuals, which can include both direct transmission via bodily fluids and indirect transmission through contaminated objects.
An infection caused by the transfer of infectious agents from one entity to another through physical interaction, classified into direct contact infections, such as those from sexually transmitted diseases, and indirect contact infections, such as those caused by influenza.