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6 Οκτ 2024 · Common side effects of COVID-19 vaccines include injection site pain, fatigue, muscle aches, joint pain, fever, and headaches. Most cases are mild, developing within 14 hours of the injection and resolving within one to four days.
25 Σεπ 2023 · Systemic reactions, such as headaches, fever, and fatigue, often begin within the first 2 days of vaccination and last for 2–3 days. Overall, the side effects are generally mild and...
20 Φεβ 2024 · Even a high fever may not be a red flag — clinical trials for both the Moderna and Pfizer vaccines showed that developing a high fever after the COVID vaccine (between 102.2 and 104...
18 Νοε 2020 · Fewer than 2% of recipients of the Pfizer and Moderna vaccines developed severe fevers of 39°C to 40°C. But if the companies win regulatory approvals, they're aiming to supply vaccine to 35 million people globally by the end of December. If 2% experienced severe fever, that would be 700,000 people.
18 Αυγ 2022 · For adults aged 17 and above, SAGE recommends the use of the Moderna mRNA-1273 vaccine at a schedule of two doses (100 µg, 0.5 ml each) 8 weeks apart. For adolescents aged 12 to 17 years, SAGE recommends 2 doses (100 µg, 0.5 ml each), given intramuscularly, 4 weeks apart.
17 Δεκ 2020 · The Centers for Disease Control and Prevention advises that you should contact your doctor or health care provider if the redness or tenderness where you got the shot increases after 24 hours, or if your side effects are worrying you or do not seem to be going away after a few days. Is it possible for me to contract COVID-19 between doses?
In the rare cases it has occurred, it has been within two weeks of having the vaccine and more commonly after the second dose of the vaccine – the peak risk group being adolescent and young adult males under 30. While the risk for children under 12 is not fully known, it appears to be rare.