 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  studies show that the Moderna COVID-19 vaccine helps protect most people who receive it against COVID-19. The vaccine may help you fight the virus if you are exposed to it later. The vaccine may prevent the illness, or reduce the seriousness of it. How to use Spikevax (PF) 100 Mcg/0.5 Ml Intramuscular Suspension COVID-19 (SARS-Cov-2) Vaccines Read all vaccine information available from your health care professional before receiving the vaccine. If you have any questions, ask your health care professional. This vaccine is given by injection into a muscle by a health care professional. It is usually given in the upper arm. For young children, it is usually given in the upper thigh. Closely follow the vaccination schedule provided by the health care professional. It may help to mark a calendar as a reminder. Keep all scheduled medical appointments.The side effects of Spikevax (PF) Intramuscular: Vaccine injections may cause pain, redness, or swelling at the injection site. Tiredness, headache, fever, muscle/joint pain, chills, nausea, vomiting, or swollen lymph nodes may also occur. If any of these effects occur, </s>