COPENHAGEN( REUTERS)-Combining AstraZeneca's Covid-19 vaccine with a second dose from either Pfizer-BioNTech or Moderna's jab provides" good protection", Denmark's State Serum Institute said on Monday( Aug 2).A growing number of countries are looking at switching to different Covid-19 vaccines for second doses, a measure particularly necessary in Denmark after health authorities discontinued inoculations with AstraZeneca's vaccine in April over rare side-effect concerns. More than 144, 000 Danes
综合
海峡时报-世界
2021-08-04 00:00:00.0