CDC Studies 'Breakthrough' COVID Cases Among People Already Vaccinated : Shots - Health News : NPR

CDC Studies 'Breakthrough' COVID Cases Among People Already Vaccinated : Shots - Health News : NPR "I would encourage people to continue, once they're vaccinated, to use all the prevention measures that we've been talking about when they're outside their home, including masking and distancing and whatnot. And all of that should be active in the workplace," the Centers for Disease Control and Prevention's director, Dr. Rochelle Walensky, said during a briefing for the press on Monday. It would be great if everyone would get on the same page before offering suggestions like this

Why Americans should "be very worried" about the COVID variant tearing through Brazil - CBS News

Why Americans should "be very worried" about the COVID variant tearing through Brazil - CBS News De Jesus told Bojorquez that in her experience, fewer than half of the patients she's treating are likely to recover from the disease. Surprisingly, she said more and more of those patients are in their 20's, 30's and 40's.

CDC Studies 'Breakthrough' COVID Cases Among People Already Vaccinated : Shots - Health News : NPR

CDC Studies 'Breakthrough' COVID Cases Among People Already Vaccinated : Shots - Health News : NPR This can't be good

Low Efficacy of Chinese Shots Sows Concern on Global Rollout

Low Efficacy of Chinese Shots Sows Concern on Global Rollout Research released Sunday showed the rate for Sinovac Biotech Ltd.’s vaccine -- deployed in Indonesia and Brazil -- was just above 50%, barely meeting the minimum protection required for Covid vaccines by leading global drug regulators. The other Chinese shots have reported efficacy rates of between 66% to 79%. _____________________________________ If the South African mutation runs into a nation that has been vaccinated by China, it will not be good.

Alaska officials detect case of COVID-19 strain first found in South Africa that's less affected by vaccines - Alaska Public Media

Alaska officials detect case of COVID-19 strain first found in South Africa that's less affected by vaccines - Alaska Public Media

New%20SARS-CoV-2%20Variants%20%u2014%20Clinical%2C%20Public%20Health%2C%20and%20Vaccine%20Implications%20%7C%20NEJM

New%20SARS-CoV-2%20Variants%20%u2014%20Clinical%2C%20Public%20Health%2C%20and%20Vaccine%20Implications%20%7C%20NEJM The clinical relevance of the lower neutralization activity for either mild or severe Covid-19 is not clear, but efficacy in clinical trials was lower for all three vaccines tested in the midst of transmission of the 501Y.V2 variant in South Africa than efficacy in trials conducted in countries with preexisting variants. Efficacy was higher by a factor of 3.2 with the AZD1222 vaccine in the United Kingdom and Brazil than in South Africa (70% vs. 22%), higher by a factor of 1.8 with the NVX-CoV237 vaccine in the United Kingdom than in South Africa (89% vs. 49%), and higher by a factor of 1.3 with the Ad26.COV2.S vaccine in the United States than in South Africa (72% vs. 57%).

South African variant can 'break through' Pfizer vaccine, Israeli study says | Reuters

South African variant can 'break through' Pfizer vaccine, Israeli study says | Reuters “Even if the South African variant does break through the vaccine’s protection, it has not spread widely through the population,” said Stern, adding that the British variant may be “blocking” the spread of the South African strain.