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In this group, 8,298 tested positive, 45 were admitted to the ICU, and 35 died of COVID-19. This indicated 64.52% and 61.47% effectiveness in reducing COVID-19 cases for people aged 18–49 and 50 and older respectively. The vaccine was 94.95% and 92.18% effective in reducing ICU admissions, and 95.35% and 95.2% effective to prevent deaths.
CoronaVac does not need to be frozen, and both the vaccine and raw material for formulating the new doses could be transported and refrigerated at 2–8 °C (36–46 °F), temperatures at which flu vaccines are kept. [14] A real-world study of ten millions of Chileans who received CoronaVac found it 66% effective against symptomatic COVID-19 ...
The Sinopharm WIBP COVID-19 vaccine, also known as WIBP-CorV, [2] [3] is one of two inactivated virus COVID-19 vaccines developed by Sinopharm. Peer-reviewed results show that the vaccine is 72.8% effective against symptomatic cases and 100% against severe cases (26 cases in vaccinated group vs. 95 cases in placebo group). [ 4 ]
The CDC just released information on the effectiveness of booster shots against the Omicron variant, this is the first real life data we've gotten from the CDC on this. One study shows a booster ...
The vaccines appear to remain effective against severe illness or hospitalization from COVID-19 for most people. CDC reports decline in vaccine effectiveness, prompting booster decision Skip to ...
The World Health Organization (WHO) said on Tuesday it has approved a COVID-19 vaccine made by Sinovac Biotech for emergency use listing, paving the way for a second Chinese shot to be used in ...
On 7 May 2021, the World Health Organization added the vaccine to the list of vaccines authorized for emergency use for COVID-19 Vaccines Global Access (COVAX). [32] [33] In May 2021, Zambia approved use of the vaccine. [82] In June 2021, Philippines approved the BIBP vaccine for emergency use. [83]
The CDC reported that vaccine effectiveness fell from 91% against Alpha to 66% against Delta. [401] One expert stated that "those who are infected following vaccination are still not getting sick and not dying like was happening before vaccination."