With the recent approval of the Johnson & Johnson COVID-19 Vaccine, many are wondering how this one-dose vaccine works. We spoke with Dr. Luis Barcena, TopLine MD Alliance affiliated Infectious Disease Specialist, about the commonly asked questions regarding the Johnson & Johnson COVID-19 Vaccine.

The TopLine MD Alliance is an association of independent physicians and medical practice groups who are committed to providing a higher standard of healthcare services. The members of the TopLine MD Alliance have no legal or financial relationship with one another. The TopLine MD Alliance brand has no formal corporate, financial or legal ties to any of the affiliated physicians or practice groups.