Categories twitter-es 🔎 Messenger RNA (mRNA) vaccine technology is not new. Researchers have been studying and working with it for decades 🧑🏾🔬admin - 14:00, 28 de mayo de 2022333 0 🔎 Messenger RNA (mRNA) vaccine technology is not new. Researchers have been studying and working with it for decades 🧑🏾🔬 Like all #COVID19 vaccines 👉🏾 mRNA vaccines protect against disease without the serious consequences of getting sick. #GetVax ➡️ paho.org/en/covid-19-va… https://t.co/lFSs7fchPd 0