COVID-19 Vaccines Appear Safe During Pregnancy: Early Data
COVID-19 Vaccines Appear Safe During Pregnancy: Early Data
Scientists at the US CDC report no red flags in a preliminary analysis of the safety of Pfizer/BioNTech’s and Moderna’s mRNA-based immunizations among expectant mothers.
COVID-19 Vaccines Appear Safe During Pregnancy: Early Data
COVID-19 Vaccines Appear Safe During Pregnancy: Early Data

Scientists at the US CDC report no red flags in a preliminary analysis of the safety of Pfizer/BioNTech’s and Moderna’s mRNA-based immunizations among expectant mothers.

Scientists at the US CDC report no red flags in a preliminary analysis of the safety of Pfizer/BioNTech’s and Moderna’s mRNA-based immunizations among expectant mothers.

Moderna
Blood Clot Risk from COVID-19 Higher than After Vaccines: Study
Blood Clot Risk from COVID-19 Higher than After Vaccines: Study
Shawna Williams | Apr 16, 2021
The chance of developing cerebral venous sinus thrombosis was nearly 10 times higher in the two weeks following a diagnosis of SARS-CoV-2 infection than after receiving an mRNA vaccine, a data analysis finds.
COVID-19 Vaccine Combos Aim to Boost Immunity
COVID-19 Vaccine Combos Aim to Boost Immunity
Asher Jones | Mar 9, 2021
Mix-and-match shots could simplify vaccine rollout and stimulate more-robust immune responses. Ongoing clinical trials will soon give answers.
US Authorizes a Third COVID-19 Vaccine
US Authorizes a Third COVID-19 Vaccine
Asher Jones | Mar 1, 2021
Johnson & Johnson’s one-shot immunization could reach people’s arms as early as March 2.
One-Shot COVID-19 Vaccine Prevents Severe Disease
One-Shot COVID-19 Vaccine Prevents Severe Disease
Asher Jones | Jan 29, 2021
Johnson & Johnson’s vaccine is less effective at preventing COVID-19 than other approved vaccines are, but experts say it could still be an important tool in curbing the pandemic.
Moderna Developing Booster Shot for New Virus Variant B.1.351
Moderna Developing Booster Shot for New Virus Variant B.1.351
Asher Jones | Jan 25, 2021
New data suggest that the company’s approved COVID-19 vaccine protects against different virus variants, but could be less effective against the one that originated in South Africa.
US Officials Debate Efficacy of Half Doses of COVID-19 Vaccine
US Officials Debate Efficacy of Half Doses of COVID-19 Vaccine
Lisa Winter | Jan 5, 2021
The head of Operation Warp Speed says that by spreading out doses of the Moderna vaccine, more people would be able to get some level of protection sooner, a strategy opposed by other experts.
Moderna’s COVID-19 Vaccine 94 Percent Effective: Initial Data
Moderna’s COVID-19 Vaccine 94 Percent Effective: Initial Data
Max Kozlov | Nov 16, 2020
The results mark the second experimental COVID-19 vaccine to show high efficacy, but the study is not complete and the data have not been peer reviewed.