A nurse working in emergency services of the Californian city of San Diego has tested positive for covid-19 just a few days after having been vaccinated against that disease, US media reported today.
The healthcare worker has been identified as Matthew W., a 45-year-old male nurse, who received the first dose of the vaccine prepared by Pfizer-BioNTech on December 18.
According to the victim himself confessed to the KGTV station, an affiliate of the ABC News network, the only side effect he suffered after being inoculated with the vaccine was pain in his arm.
However, six days later, after taking a shift in the emergency unit of his health center with covid patients he felt chills, muscle pain, and fatigue. A test at the hospital confirmed he was positive for SARS-CoV-2.
It is not something unexpected
According to experts consulted by the chain, this case it is not “something unexpected”as vaccinated patients do not develop decisive protection against coronavirus immediately after receiving the drug.
The clinical trials with the vaccine have shown that this immunization, which would reach 95% of those vaccinated, can be achieved days after receiving a second dose of the preparation which, in the case of Pzifer, takes about 21 days to be inoculated again.
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Furthermore, since the period of incubation of the coronavirus can be up to 14 days, it is also possible that the nurse would have been infected before to receive the vaccine on December 18.
According to experts, these cases are nothing more than a reminder that vaccines they are not the panacea; that stopping the pandemic will take time and that, in the meantime, the fundamental social and health practices of maintaining social distancing, frequent hand washing and wearing masks must be followed.
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