Enlarged glands are a common immune response, but surprisingly this side effect was only commonly reported among people who received Moderna’s vaccine. According to the data, it was the sixth most common side effect of Moderna’s first shot, with 11.6 percent of people experiencing it. When it came to the second dose, 16 percent of Moderna patients had swollen glands. Meanwhile, after their clinical trials, Johnson & Johnson and Pfizer did not report swollen glands as a common side effect of their vaccines. And for more on this particular side effect, check out The CDC Says Don’t Do This Until 4 Weeks After Getting Vaccinated. Diarrhea was one of the top 10 most common side effects among people who got the Pfizer vaccine. According to clinical trial data, 11.1 percent of people reported diarrhea after their first dose from Pfizer, and 10.4 percent had it after their second dose. While nausea and vomiting were reported among those who received the Moderna and Johnson & Johnson jabs, diarrhea was not commonly reported with those vaccines. According to the clinical trial data, 9.4 percent of people reported experiencing nausea and vomiting after their first dose from Moderna, a number that jumped to 21.3 percent after the second shot. With the single-dose Johnson & Johnson jab, 15.5 percent of patients reported experiencing nausea. Meanwhile, less than two percent of people who got the Pfizer vaccine experienced vomiting after either dose, and nausea wasn’t among the top 10 side effects associated with that COVID vaccine. And for more up-to-date COVID news delivered straight to your inbox, sign up for our daily newsletter. Chills are one of the top 10 most common side effects of the Moderna and Pfizer vaccines. Almost half of the Moderna patients reported the side effect after their second dose, and more than 35 percent of Pfizer patients reported chills after their second shots. On the other hand, according to the clinical data, chills were not even among the top 8 reported side effects of the Johnson & Johnson vaccine, meaning at the very most under nine percent of patients experienced this side effect.ae0fcc31ae342fd3a1346ebb1f342fcb Additionally, while joint pain was a common side effect for Moderna and Pfizer patients—with 45.2 percent of people experiencing it after their second dose of Moderna and 21.9 percent feeling the same after their second dose of Pfizer—it also was not listed as one of the top 8 Johnson & Johnson side effects. And for more on what to steer clear of close to your vaccination, check out Don’t Do This Two Hours Before or After Your Vaccine, Doctors Warn. While there were some slight differences between the vaccines, the top four side effects were consistent for each: pain at the injection site, fatigue, headache, and muscle soreness. In looking at how common they were, however, it’s clear side effects are most prominent among those who received the Moderna vaccine, followed by the Pfizer vaccine (pain at the injection site after second dose: 90.1 percent versus 77.8 percent, fatigue after second dose: 67.6 percent versus 59.4 percent, headache after second dose: 62.8 percent versus 51.7 percent, and muscle soreness after second dose: 61.3 percent versus 37.3 percent). Most of these side effects were substantially less prominent among Johnson & Johnson patients (pain at the injection site: 58.6 percent, headache: 44.4 percent, and fatigue: 43.8 percent). When it came to muscle soreness, it was on par with Pfizer with 39.1 percent reporting the side effect. And if you make it through your shots side effect free, check out This Is What It Means If You Have No Vaccine Side Effects, Doctors Say.