Effectiveness of COVID-19 vaccines in Ecuador: A test-negative design
Background: The COVID-19 pandemic poses a significant global health threat, characterized by high morbidity, severity, and the emergence of concerning variants. Latin America has been greatly affected, with high infection and mortality rates. Vaccination plays a crucial role in mitigating severe dis...
Main Authors: | , , , , , , , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2023-12-01
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Series: | Vaccine: X |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2590136223001456 |