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The interplay between the SARS-CoV-2 virus and its human hosts was initially natural but is now being altered by the prompt availability of vaccines. [451] The potential emergence of a SARS-CoV-2 variant that is moderately or fully resistant to the antibody response elicited by the COVID-19 vaccines may necessitate modification of the vaccines ...
September 2: The Central Epidemic Command Center (CECC) announced Taiwan's first ever case of the Mu variant. The patient is a Taiwanese woman in her 60s who returned from the United States and already had 2 doses of the Pfizer vaccine. She had received the first dose of the Pfizer vaccine in the United States on July 5 and the second on July 26.
Appearance of a sore throat caused by SARS-CoV-2 Omicron variant. Journal of General and Family Medicine. 2022. Temporal patterns of nasal symptoms in patients with mild severity SARS-CoV-2 Infection.
If you still test negative, wait 48 more hours and test for a final time. In both cases, if you’d rather not wait, you can obtain a PCR, or polymerase chain reaction, test at a doctor’s office.
The Pfizer/BioNTech vaccine generates a robust immune response in 99% of people after one dose, new research suggests. One dose of the vaccine protects against severe disease and after two jabs ...
The Moderna news followed preliminary results from the Pfizer-BioNTech vaccine candidate, BNT162b2, with Moderna demonstrating similar efficacy, but requiring storage at the temperature of a standard medical refrigerator of 2–8 °C (36–46 °F) for up to thirty days or −20 °C (−4 °F) for up to four months, whereas the Pfizer-BioNTech ...
"It's OK to mix and match Moderna and Pfizer," Dr. Ralph Gonzales, associate dean for clinical innovation and chief innovation officer for UC San Francisco, said at a campus town hall last week.
In April 2023, Pfizer published their interim results of their phase III study of a RSV vaccine for adults age 60 and older in over 34,000 participants. One dose of the vaccine was 67% efficacious in preventing infections with at least two symptoms and it was 86% effective against more severe disease, in people with three related symptoms.