The pandemic has come to revolutionize the life of an entire world. Imprisonment, health measures, mobility restrictions, related economic crisis … Until vaccine. The “miracle cure”. With the inoculation came “herd immunity”. Little by little the borders would open, everything would return to normal …
Although many were skeptical of the new drug, more than that 100,000,000 doses administered only in Spain. According to data from the Ministry of Health, 65% of the doses administered corresponded to Pfizer (Comirnaty), 23% to Moderna (Spikevax), 10% to AstraZeneca (Vaxzevria) and 2% to Janssen (Jcovden).
But the famous one came with the vaccine side effects. Adverse event notifications amounted to 80,941, or 79 notifications for every 100,000 doses administered. On Thursday, September 29, the Spanish Agency for Medicines and Health Products published the 17th Pharmacovigilance Report on coronavirus vaccines, with some news on the side effects of their vaccination.
side effects of covid vaccines
The most frequent symptoms have not changed and continue to be general ailments (fever and malaise); disorders of the nervous system (headache and dizziness) and disorders of the musculoskeletal system (myalgia and arthralgia). Of all reactions, most were reported by health professionals (65%) compared to 35% reported by citizens themselves. If we segment by demographic groups, most of the episodes are reported by women (73%) and mainly concern people between 18 and 65 years.
In many cases, the inoculated patients had to be hospitalized. Of the 80,941 reported cases with some type of vaccine adverse effect, 13,627 were considered serious. The most terrible problem is when the numbers speak and tell us that hospitalized patients have developed a significant or persistent disability or congenital malformation, or have been life-threatening or fatal. The number of deaths (accounting and according to the Ministry of Health) amounts to 467 deaths.
the figures speak
Pfizer’s 10 Most Reported Side Effects
- pyrexia. 13,999 cases, 32%
- headache 9.099 cases, 21%
- Myalgia. 6,527 cases, 15%
- Pain in the vaccination area. 5.599 cases, 13%
- Unease. 5,239 cases, 12%
- Fatigue. 3,259 cases, 8%
- lymphadenopathy. 3,039 cases, 7%
- Nausea. 2,724 cases, 6%
- Chills that make you tremble. 2,446 cases, 6%
- Asthenia. 2,385 cases, 6%
The 10 most reported side effects of Moderna
- pyrexia. 8.175 cases, 44%
- headache 4,155 cases, 22%
- Myalgia. 3,256 cases, 17%
- Pain in the vaccination area. 2,750 cases, 15%
- Unease. 2,715 cases, 14%
- Fatigue. 1,439 cases, 8%
- Chills that make you tremble. 1,371 cases, 7% Nausea. 1,311 cases, 7%
- lymphadenopathy. 1,100 cases, 6%
- Arthralgia. 977 cases, 5%
hence, the side effects The most frequently reported are three: pyrexia, headache and myalgia. According to the Royal Academy of the Spanish Language, pyrexia is an essential, non-symptomatic fever. That is, a simple increase in body temperature above normal. It is not a disease in itself, but an indication that something is happening to the body, as it is a defensive reaction of our body against external aggression. Vaccine-derived pyrexia usually appears 24 hours after injection and usually lasts a maximum of two days. In position number two we find headache (persistent headache), with 18%, a symptom followed by lymphadenopathy, myalgia or muscle pain, general malaise and pain in the vaccine area.
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