Class Notes (836,069)
United States (324,324)
HLTH 101 (33)
Lecture 13

HLTH 101 Lecture 13: chap 13 pt 2
Premium

3 Pages
36 Views
Unlock Document

Department
Health Science
Course
HLTH 101
Professor
Krish Vaidya
Semester
Spring

Description
Epidemic- a rapidly spreading disease or health related concern Pandemic- a widespread epidemic Allergy- also called hypersensitivity. A disorder caused by the body’s exaggerated response to foreign chemicals and proteins Allergen- a substance that triggers a chemical reaction ● Chicken pox, cold sores, and other herpesvirus infections ● Herpesviruses are large group of viruses. Once infected, the host is never free of the virus. The virus lies latent within certain cells and becomes active periodically ● Varicella- zoster virus causes chickenpox and shingles ● There are several types in this group and they can infect lungs, brain, colon, and eyes ● Viral Hepatitis- in this type there are several different infections that cause inflammation of the liver. ○ Hepatitis A is transmitted by food or water contaminated by sewage or by an infected person. Hepatitis B is usually transmitted sexually ○ Hepatitis C also can be transmitted sexually or by blood transfusions ■ There are effective vaccines for HEP A and HEP B ● Hepatitis symptoms include fatigue. Jaundice- abdominal pain, loss of appetite, nausea and diarrhea. ○ Some develop chronic liver disease, cirrhosis or liver cancer ● Human Papilloma Virus (HPV)- cause a variety of warts, including common warts on hands, plantar warts on the soles of feet and genital warts. ● HPV infection is chronic and warts can reappear despite treatment ● HPV causes majority of cervical cancer ● A vaccine is recommended for girls, boys and women age 9-26 ● Treatment. Antiviral drugs typically work by interfering with some part of viral cycle. To fight the infections antivirals are available. Most other viral disease must simply run their course ● Protozoa- another group of single celled organisms known as protozoa. Malaria caused by protozoan of the plasmodium. Major killer in developing countries. 350-500 million new cases a year. 1 million deaths mostly among infants and children Emerging Infectious Diseases ● West nile virus. West nile virus is carried by birds and passed to humans when mosquitoes bite first an infected bird and then a person. Most victims have no symptoms but the virus can cause permanent brain damage or death in some ● Severe acute respiratory syndrome (SARS) It is form of pneumonia and is fatal in 5-15% of cases. It is caused by new type of coronavirus found
More Less

Related notes for HLTH 101

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit