China steps up port, driver checks after new virus cases
Roadblocks were set up to check drivers and a disease-control official called Thursday for increased testing of workers at Chinese
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Chileans allowed to travel abroad again as vaccination drive pays dividends
FILE PHOTO: A man receives a dose of Pfizer/BioNTech coronavirus disease (COVID-19) vaccine during a vaccination campaign inside the University
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Two chemoattenuated PfSPZ malaria vaccines provide strong and lasting protection
Malaria is a life-threatening mosquito-borne disease that is caused by one of four parasites including the Plasmodium falciparum, Plasmodium vivax,
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