21K views · 1.4K reactions | Wonder how mRNA vaccines work? Here’s a quick explainer ⬇️ | World Health Organization (WHO) | Facebook

The COVID-19 pandemic made mRNA vaccines famous, but the technology was never meant for viruses alone. In fact, scientists first developed it to fight cancer. After years of research and frustration, they are finally seeing hopeful results as personalized mRNA cancer vaccines begin to show real effects in patients. Unlike regular vaccines that prevent illness, cancer vaccines are designed to treat tumors that already exist. The process starts with a biopsy from the patient’s tumor, which scienti