In part 1 I discussed the vaccine preventable bacterial diseases . Here we’ll look at viral infections.
Virus vs Bacteria
One major difference between bacterial and viral infections is the treatment. We have many more effective antibiotics (drugs which fight bacteria) than we do antiviral drugs.
And antibiotics do not affect viruses. Despite that fact, patients often expect and even demand their physicians prescribe antibiotics for viral infections such as influenza, colds and bronchitis- and unfortunately too often we physicians do it anyway.
Influenza- the vaccine is given annually and targeted to the strains of virus predicted to be active in any given year.
Measles (rubeola), Mumps, Rubella (German measles) -I am grouping these together since their vaccines are usually given together as the MMR. Recent outbreaks of measles have been attributed to the decline in vaccination rates.
Polio, a disease parents feared when I was a child, due to to risk of permanent paralysis, now essentially eradicated in the United States
Rotavirus, in infants and small children, a common cause of gastroenteritis- vomiting and diarrhea, with or without fever and abdominal pain
HPV, the human papilloma virus, causes warts of all kinds, but the vaccine is targeted to the strains that cause genital warts and can lead to cervical cancer
The cousin viruses, Hepatitis A and Hepatitis B.
Hepatitis is an infection of the liver, which can range from a mild disease to life threatening. Hepatitis A is spread through contaminated food or water. Hepatitis B is spread through contact with infected blood or other body fluids.
Another set of cousins, Varicella Zoster (VZ) virus causes two different infections and thus has two vaccines. The original infection is varicella or chickenpox, formerly a common childhood illness but not seen often now due to the vaccine. When it reactivates, usually years later in adulthood, it is known as zoster or shingles.
There are also several vaccines usually reserved for travel to specific areas of the world, occupational exposure, military service or other special circumstances. These include vaccines for anthrax, typhoid, cholera, (bacteria) and yellow fever, smallpox,and rabies (viruses).
Diseases for which there is no vaccine
One of the most serious is malaria, caused by a parasite transmitted by infected mosquitos. Malaria is rarely a risk in northern or extreme southern areas of the world, but for the tropics, especially sub-Saharan Africa it is a major health problem.
Otherwise we all are at risk of other serious infections that we cannot yet prevent with immunization. These include
HIV-human immunodeficiency virus ,and most other sexually transmitted diseases including HSV- herpes simplex virus, gonorrhea, syphilis, and chlamydia.
HCV- Hepatitis C
Most respiratory viruses, including rhinovirus, cause of the common cold; RSV-respiratory syncytial virus and infectious mononucleosis
The Ebola virus
Borrelia, not really a bacteria, it’s a spirochete, which causes Lyme (not lime) disease
And the bacteria Staphylococcus, which causes “staph” (not staff) infections of the skin and Streptococcus, which causes “strep throat”.
And as of September 26, 2020 there is not yet a vaccine for SARS-CoV2, the virus that causes COVID-19. Several are in trials and may be available by 2021.
If you have any questions or concerns about which vaccines you might need to protect yourself against infections, please consult your own personal physician.
Detailed information about vaccines and infectious disease is available from the Centers for Disease Control and Prevention
This older post has an update here- Prevention is a focus in healthcare now and immunization has been one of the most effective ways to prevent disease ever developed. The list of diseases that are “vaccine preventable” is long and continues to grow. Vaccine recommendations may be based on a person’s age, gender, ethnicity and concurrent … Continue reading “Vaccination prevents disease- part 1”
This coronavirus pandemic is serious. We don’t yet have a vaccine or effective treatments. To protect ourselves, our familes, and our entire communities we should all be practicing social distancing and other hygiene measures as we wait for a safe, effective vaccine and treatments.
exploring the HEART of infection prevention
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