China's COVID vaccines have been crucial - now immunity is waning.
Nature
; 598(7881): 398-399, 2021 10.
Article
in English
| MEDLINE | ID: covidwho-1469962
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
Vaccines, Inactivated
/
Developing Countries
/
COVID-19 Vaccines
/
COVID-19
Type of study:
Observational study
Topics:
Vaccines
Limits:
Adult
/
Humans
Country/Region as subject:
Asia
Language:
English
Journal:
Nature
Year:
2021
Document Type:
Article
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