The formation process of any vaccine is very long-term and time-gaining due to its research verification and clinical trials. The main purpose of any vaccine is to produce immunity. Vaccine enables the body to fight against infection-causing pathogens. After the attack of COVID 19, the scientist worked very hard continuously. Now presently there are many vaccines with the help of scientists.
There are some vaccines produced by different countries' pharmaceutical companies but they are unable to fulfill the needs of the whole world due to high demand. The production of any vaccine is a very long-term process. That's why it is said that the best vaccine is that which is easily available. Do not wait for any brand. Now all Available vaccines are;
Pfizer covid-19 vaccine has some limitations for people who are under 12 years old. Two shots of that vaccine are required for everyone with an interval of 3 weeks. According to the FBA's fact sheet for the Pfizer COVID-19 vaccine side effects includes;
And some mild symptoms at the injection site, redness, swelling, and arm pain.
Currently, the UK covid 19 vaccines recognized are Moderna, Jassen, and Pfizer. The name of the vaccine is mRNA-1273 which is manufactured by ModernaTX, Inc. ht e Moderna vaccine is given in 2 shots 28 days intervals and is recommended for 18 years old.
Who should not get vaccinated?
If anybody had a severe allergic reaction (anaphylaxis) or any immediate allergic reaction should not get the mRNA covid 19 vaccine. Possible side effects are;
Johnson and Johnson's Janssen;
Johnson and Johnson's Janssen COVID 19 vaccine is approved by the center for DISEASES CONTROL AND PREVENTION and USA FDA Authority. This vaccine is a viral-Vector type vaccine and requires only 1 shot in the muscle of the upper arm side. If you have had an Allergic reaction then you should not get that Vaccine. Women younger than 15 years old should beaver of the rare risk of blood clotting who have low platelets.
China is the manufacturer of the vaccine CanSino Vaccine. The efficiency of the CanSino Vaccine is 65.7% at preventing symptomatic cases from late-stage trails analysis. Pak health advisor Mr.Sultan announced, The final trial consisted of 30,000 individuals and also 98.98% effective to prevent COVID-19 disease. While CanSino data shows at first glance lower than the rate given by shots from Moderna and Pfizer 95%. But it requires only one shot, not two.
SOME COVID-19 VACCINES EFFICIENCY RATES
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