Pfizer, AZ Vaccines Effective Against Delta After 2 Doses Pfizer, AZ Vaccines Effective Against Delta After 2 Doses

The differences in effectiveness against the Alpha vs Delta variants were modest when both doses of each vaccine were completed, but markedly different after only one dose.Medscape Medical News
Source: Medscape Pharmacist Headlines - Category: Drugs & Pharmacology Tags: Infectious Diseases News Source Type: news