How do SARS-CoV-2 vaccines compare?
|Manufacturer/Vaccine||Efficacy based on trials||Dosing||Age Recommendation|
|Vaccines currently approved for use|
|Moderna, mRNA-1273||94.5% effective||Two doses 4 weeks apart||18 years and up|
|Pfizer BioNTech||95% effective||Two doses 3 weeks apart||16 years and up|
|AstraZeneca||70%||Two doses 3 weeks apart||Not yet available|
|Johnson & Johnson||97%||One dose||18 – 59 years|
Read Francis Collins' editorial entitled, "Celebrating the Gift of COVID-19 Vaccines."
View additional information on side effects, special circumstances when someone should not get the vaccine.
Read about regulatory processes, scientific standards followed, and other developmental information.
Frequently Asked Questions on COVID-19 Vaccine from WV Dept of Health & Human Resources.
Centers for Disease Control Recommendations
PHASE I distribution: Already begun, projected to go through early summer ‘21
TX Dept of Health COVID-19 vaccine phases vary slightly: 1A Direct care providers, 1A Long-term care residents, 1B Persons 65+ or 16 with at least 1 chronic medical condition, including pregnancy.
Immunity begins building after the 1st dose of the vaccine. A second shot is needed to get the most protection the vaccine can offer.