Evaluation of Social Media Sources

For this blog post I research the controversy about children not having their immunizations completed prior to enrolling in school, thus having not be able to go to school.  I will view social media sources and learn how these sources are able to have a discussion about this issue.

dnet. "Debate Logo". 2014 via Wikipedia Share-Alike 3.0

Source 1:

How credible is this source?
Bessie Jo Tillman, who created a post on Twitter, is a credible source since she is a medical doctor, and when searching for her on Google, has numerous links to her name.  She is not responsible for any organizations or institutions but has her own website that talks about having a healthy lifestyle.

Is the source directly involved with this controversy?
Since Tillman only posted a link on Twitter and not actually covering the controversy in person, she is not physically involved with the issue.

Does the source have a network of people following them?
Tillman has certain organizations and facilities, that deal with people's health, that associate with her on social media, specifically Twitter.

Can the information from this source be supported by other sources?
Since Tillman posted a link leading to an article and not specifically being involved with the debate of this controversy, there are other sources on social media that have possibly shared the same link.

Does this source give contextual updates regarding this controversy?
Although not posting about this specific controversy, Tillman has many posts that talk about how people can live healthier lives, health being the most important issue for her.

Was this source's account recently created?
Tillman created her Twitter account in March 2010.

Is the information from this source reliable?
I believe Tillman being a medical doctor has more trustworthiness than other sources since she is more knowledgeable about issues that deal with the health of individuals.

Source 2:

How credible is this source?
Amesh Adalja who sent out a post on Twitter regarding the controversy about vaccination requirements for children enrolling in school is a  credible source for people to view.  He is a Senior Associate at the University of Pittsburgh Medical Center for Health Security, a Clinical Assistant Professor in the Department of Critical Care Medicine, a Clinical Assistant Professor in the Department of Emergency Medicine, and an Adjunct Instructor in the Department of Medicine's Division of Infectious Diseases at the University of Pittsburgh School of Medicine and UPMC,  He also serves on the City of Pittsburgh's HIV commission.  He is board certified in internal medicine, emergency medicine, infectious diseases, and critical care medicine.

Is the source directly involved with this controversy?
Since Adalja has many other positions for his line of work, he is not directly involved with the controversy.

Does the source have a network of people following them?
Adalja has thousands of followers, many being medical organizations or institutions that deal with health issues on a daily basis.

Can the information from this source be supported by other sources?
Adalja attaches a link to his post on Twitter which is a credible source, Reuters, that can be supported by other sources whether they are on social media or not.

Does this source give contextual updates regarding this controversy?
Even though Adalja only posted once about this controversy, he has many other posts that deal with the dangers of diseases and how vaccines are important tools for better health.

Was this source's account recently created?
Adalja created his Twitter account in December 2010.

Is the information from this source reliable?
In my opinion, Adalja is a knowledgeable source and is more trustworthy than many other sources since he is a specialist in the fields that surround infectious diseases, the prominent issue that surrounds this controversy.