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A study conducted on 44 rats injected with the Pfizer–BioNTech COVID-19 vaccine at doses over 300 times the human dose by body weight and 44 rats injected with placebo found no statistically significant evidence of any adverse effects on the fertility of female rats or on the health of the offspring of rats (the 3% lower pregnancy rate found ...
National regulatory authorities have granted full or emergency use authorizations for 40 COVID-19 vaccines.. Ten vaccines have been approved for emergency or full use by at least one stringent regulatory authority recognized by the World Health Organization (WHO): Pfizer–BioNTech, Oxford–AstraZeneca, Sinopharm BIBP, Moderna, Janssen, CoronaVac, Covaxin, Novavax, Convidecia, and Sanofi ...
How COVID‑19 vaccines work. The video shows the process of vaccination, from injection with RNA or viral vector vaccines, to uptake and translation, and on to immune system stimulation and effect. Part of a series on the COVID-19 pandemic Scientifically accurate atomic model of the external structure of SARS-CoV-2. Each "ball" is an atom. COVID-19 (disease) SARS-CoV-2 (virus) Cases Deaths ...
The updated COVID-19 vaccine could be available any day, a promising development for California and the nation amid a potent and enduring summer wave of the disease. As COVID wave wallops ...
The rate at which coronavirus tests are coming back with positive results continues to climb across California. For the week ending July 1, 10.6% of coronavirus tests statewide came back positive ...
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COVID-19-related xenophobic attacks have been made against individuals with the attacker blaming the victim for COVID-19 on the basis of the victim's ethnicity. People who are considered to look Chinese have been subjected to COVID-19-related verbal and physical attacks in many other countries, often by people accusing them of transmitting the ...
Ten of the first 20 confirmed COVID-19 infections in the United States were detected in California, and the first infection was confirmed on January 26, 2020. [ 6 ] [ 7 ] [ 8 ] All of the early confirmed cases were persons who had recently travelled to China, as testing was restricted to this group, but there were some other people infected by ...