Can Mosquitoes Transmit the Coronavirus?

To date, there has been no scientific evidence to suggest that mosquitoes can spread the novel coronavirus that causes Covid-19. The coronavirus is a respiratory type of virus that spreads primarily through droplets generated when an infected person coughs or sneezes. And to protect yourself, clean your hands frequently with an alcohol-based sanitizer or with soap and water, also avoid close contact and maintain social distancing.

There is much more to learn about the novel coronavirus, but based on current knowledge and information, it’s highly unlikely that a mosquito will pick up the virus by biting an infected person, and pass it to another person.

Can mosquitoes transmit viruses:

Yes, mosquitoes can transmit several viruses, like dengue, yellow fever, chikungunya, Zika, and Ross River virus, also malaria, which is caused by a parasite, but, they can't spread viruses like HIV, Ebola.

The female mosquitoes need nutrition contained in the blood, for the development of there eggs, and the viruses take this advantage of mosquitoes to move from host to host. But for a mosquito to transmit the virus, it first needs to bite an infected animal, such as a bird, or a person.

Why, not coronavirus:

The coronavirus mostly spread via respiratory droplets, and by touching contaminated surfaces. Although COVID-19 has been found in blood samples from infected people, there is no such evidence that it can spread via mosquitoes.

Even if a mosquito picks up the virus in a blood meal, there is no evidence the virus would be able to infect the mosquito itself, and if the mosquito isn’t infected, then it won’t be able to transmit it to the next person she bites.

Why some viruses and not all?

It looks very simple to imagine that the tiny flying mosquitoes can transfer the droplets of infected blood from person to person, but in reality, it is far more complex.

When a mosquito bites and sucks up some blood that contains a virus, the virus quickly ends up in the abdomen of the mosquito.

And from there, the virus needs to infect the cells lining, the stomach, and the rest of the body of the mosquito, spreading to the legs, wings, and head.

Then the virus has to infect the salivary glands before being passed on by the mosquito when it next bites and this process can take a few days to over a week.

But time is not the only barrier. The virus also has to negotiate to get out of the stomach, getting through the body, and then into the saliva and each step in the process can be an impassable barrier for the virus.

It may be direct to the virus that is adapted for this process but for others, the virus will be destroyed or mutilated in the stomach.