Page 302 - Effectiveness News Today

KUALA LUMPUR: Preliminary results of a study conducted by the Pontifical Catholic University in Chile (UC) shows that the Covid-19 Sinovac vaccine booster dose could activate cellular immunity against the Omicron variant on subjects who were given two doses of the same vaccine previously.

>> great question, lawrence. depends who youre talking about, high-risk groups, obese, diabetes, kids with underlying conditions, immunocompromised, i would say yes. i spoke to paul offet education center in childrens hospital of philadelphia, head of are not being called, to analyze this here is what he said. i think it would have been valuable for the american public to heard a discussion about the pros and cons of that recommendation. i see it as a lot of opportunity , he said. that is just w...

Rather wear a cotton or surgical mask than not wear any mask at all. and thats the point that was made. i think it was a consideration that people were saying if theyre not effective, well then dont wear them. they have a degree of effectiveness, and if thats the mask thats available to you, use it. if you want a higher degree of protection, go to a higher quality of mask. but the masks that are being used, the surgical masks do give you a degree of protection. maybe not as the ultimate that an ...

Johnson & Johnson has announced that new preliminary results from a South African study has shown that the homologous booster shot of the companys Covid-19 vaccine (Ad26.COV2.S) demonstrated 85 per cent effectiveness against the virus-related hospitalisation in South Africa after Omicron became the dominant variant.

Lost this year the iconic figures who helped change the world. this is nbc "nightly news" with lester holt. good evening im peter alexander in tonight for lester just a day ahead of those festive new years eve celebrations, a sobering reality check with covid cases raging across the country. the latest tally another all-time high. nearly 500,000 new infections in a single day. the eye popping case count causing major staffing shortages and more travel nightmares some cities are now canceling...

Published in the New England Medical Journal, the study found that a two-dose regimen of the Pfizer vaccine is 70 percent effective against hospitalization with the Omicron COVID-19 variant.

The vaccine trials came as a surprise. The results rolled in almost before we had mastered the distinction between efficacy and effectiveness. Many vaccines worked better than anyone had a right to hope.

Kerry sanders, thank you for your reporting. thats going to wrap up a busy two hours. im chris jansing. alison morris picks up the coverage right now. a good thursday morning to you. ill alison morris in for craig melvin. the u.s. shattered another pandemic record. the day before new years eve, the country has blown past 400,000 new daily cases. three days in a row. and recorded more than 2 million new cases since this time last week. and while weve been paying attention to the spikes in the n...

Good news. we havent had that much lately on this pandemic. johnson & johnson announcing this morning its vaccine demonstrated 85% effectiveness in africa when omicron was dominant. what could it mean for countries and the u.s.? >> i think its fair to say that all of us are looking for any bits of good news. that is certainly good news. that means that -- basically it means that yeah, were going to be able to make progress against stopping some of the spread and stopping people from getting as s...

With what we thought people would be able to tolerate. >> reporter: the recommendation of five instead of ten isolation days for those testing positive with no symptoms, then five days of masking is aimed at keeping people working. >> there is no data that im aware of with the omicron variant that supports people coming out of isolation five days after they were first diagnosed with the virus. >> reporter: nothing in the guidelines mandates testing for these people, and the administration has be...